Month: November 2021

The Selection And Design Of Manipulator Grasping Method

The Selection And Design Of Manipulator Grasping Method


In the design process of the manipulator, there are many options for grabbing methods. What kind of grabbing method to choose, in addition to structural considerations, is more about the cost of use and the convenience of maintenance. Consider, after all, a good thing needs to be considered cost-effective.

The Selection And Design Of Manipulator Grasping Method

The Selection And Design Of Manipulator Grasping Method. -PTJ CNC MACHINING Shop

1. Hydraulic clamping and grabbing

The hydraulic system (combination of hydraulic station, hydraulic cylinder, special fixture, etc.) generates gripping force to grasp the parts. Its characteristics are that the grasping force is large, the lifting process is reliable, the control is accurate, and the action is sensitive. However, the hydraulic system has a disadvantage The problem of leakage of hydraulic oil will occur. Due to the influence of environment and time, the rubber seals in hydraulic valves and hydraulic cylinders will age and qualitatively change, which will lead to hydraulic oil leakage and pressure loss. The maintenance cost is relatively high.

Because the hydraulic clamping force is very large, when using this grasping method, you must fully consider the quality and structural rigidity of the grasped parts, and fully calculate the grasping force of the hydraulic manipulator to avoid excessive grasping force. Large causes deformation and damage of parts. At the same time, in the selection of solenoid valves and the design of hydraulic control principles, the safety of the grasping process must be fully considered. For example, how to deal with hydraulic leakage, whether there is corresponding self-locking Mechanism to prevent the parts from falling, is there a safe passage in the trajectory of the manipulator, etc.?

2. Pneumatic clamping and grabbing

The combination of pneumatic systems (air compressors, solenoid valves, cylinders, special fixtures, etc.) generates corresponding clamping force to grasp parts. Its characteristics are simple structure, relatively small output force, rapid clamping response, and maintenance The cost is low, but the pneumatic clamping also has certain defects. Because of the compressibility of air, the stability of its working speed is poor. In the process of air compression, it is easy to produce dust, water and other magazines, which leads to the damage of pneumatic components. The frequency of damage and replacement is too high, and the reliability is greatly compromised. The use of the air pipe is extremely vulnerable to environmental influences, which can cause aging, cracking and cause air source leakage. And because of the small clamping force, its application occasions It is also subject to certain limitations.

Our article mainly shares two pneumatic clamping methods, which are also two common clamping methods for pneumatic clamping.

The clamping force and clamping stroke of this pneumatic finger are relatively small, which is suitable for the grasping of some small parts. It is widely used in many assembly and processing automatic lines. When selecting, you must pay attention to the maximum pressure and The choice of stroke must meet your design requirements. At the same time, because the claws of this part are too short, we need to make corresponding designs according to the shape and characteristics of the clamped parts during use, and we must also fully consider them. Rigidity requirements and wear resistance requirements, because the operation of the automatic line is a large number of repetitive processes, so for the design of the clamping jaws, we suggest that the contact parts should be quenched or alloyed, which can greatly improve the resistance of the clamping jaws. Degree of grinding. 

At the same time, the selected locking screws should also try to choose high-strength screws, such as 12.9 screws. Because the fixed screws of this kind are relatively small, the screws of general strength are easy to break and slip teeth. In fact, the treatment of these details It is the most reliable guarantee for the stability of an automatic line.
For the use of vacuum suction cups, we must fully consider the quality of the parts to be grasped and the surface finish, because only a relatively good surface finish can form vacuum suction smoothly and provide reliable gripping and suction force. 

We must also consider various Exposure to solvents will affect the corrosion and aging of vacuum chucks. For example, we usually use vacuum chucks on automatic processing lines. Most processing coolants have a certain corrosive effect, especially for plastic products, so it is easy to cause the aging of vacuum chucks. 

At this time, we need to make some special requirements and consultations with the vacuum suction cup supplier on the vacuum suction cup material. When necessary, we can ask the other party to provide corresponding samples for trial and then finalize the shape.

In addition, pay special attention to the cleanliness and sanitation of the vacuum generator, because after the air is compressed, the dust in the air will also be compressed. After mixing with the water and oil mist in the compressed air, it will form sludge, which will block the vacuum. 

The final result is that the suction force of the suction cup is extremely reduced, and the workpiece cannot be grasped normally. In this case, we can replace the vacuum generator or disassemble the original vacuum generator for cleaning.

3. Electromagnet grabbing

The parts are grasped by the electromagnetic system. The application of this electromagnetic system has certain limitations. For example, it can only grasp some specific parts that the electromagnet can absorb. In many cases, it may not be used, for example, you want to grasp. 

For a plastic product, stubbornly this kind of gripping method is not appropriate. The electromagnet’s gripping method is stable and reliable, the adsorption force is extremely strong, and the structure is very simple and clear, but it also has certain negative effects, for example, it will be magnetized and captured. Parts, there are certain structural requirements, there are certain hidden safety hazards when the power is suddenly cut off, and the maintenance cost and threshold are relatively high.

There are two options for this electromagnetic grabbing method:

  • 1) Energized with magnetism. Under normal circumstances, this kind of electromagnet is non-magnetic. Only when it is energized, it will produce corresponding magnetism, and the magnetism will generate adsorption force. After the power is turned off, the magnetism disappears and attracts. The force also disappears. Of course, if the electromagnet is large, the magnetism will not disappear instantly, and there will be a certain remanence phenomenon. Therefore, when choosing this kind of grasping method, you must consider the magnitude of the remanence and the time for complete demagnetization. . And for many electromagnets, the energization time cannot be too long, because too long energization time will cause the electromagnet to heat up, and the continuous heating will easily cause the aging and damage of the electromagnet.
  • 2) The magnet is energized and demagnetized. Under normal circumstances, this kind of magnet is magnetic. When it is energized, the magnetism will disappear and the adsorption force will also disappear. However, this method of grabbing usually has a corresponding effect on the surrounding parts. Requirement, because a magnetic force can be transmitted through space, it may be attracted to other things during the grasping process of parts, so full attention should be paid when designing.

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The Selection And Design Of Manipulator Grasping MethodPTJ CNC shop produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. 5 axis CNC milling available.Machining high-temperature alloy range inclouding inconel machining,monel machining,Geek Ascology machining,Carp 49 machining,Hastelloy machining,Nitronic-60 machining,Hymu 80 machining,Tool Steel machining,etc.,. Ideal for aerospace applications.CNC machining produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. 3-axis & 5-axis CNC milling available.We will strategize with you to provide the most cost-effective services to help you reach your target,Welcome to Contact us ( [email protected] ) directly for your new project.

Application of cnc router machine in furniture engraving Upload to:08-05 2021

  Nowadays, people are more and more popular with antique furniture. The production of furniture is naturally inseparable from a kind of mechanical equipment-woodworking engraving machine. The milling, engraving and hollowing of processing furniture products are used in the application of woodworking engraving machines in furniture engraving.

  Use an engraving machine to make antique furniture, such as screens, wine cabinets, TV cabinets, display cabinets, and closet cabinets for home use. If woodworking engraving machines are used in antique furniture, there are now more engraving machine companies, and the quality of products varies greatly, and the level of craftsmanship is different. Regardless of the brand of woodworking engraving machine, what we require is the quality of the equipment. As a professional manufacturer, Mingshi Machinery is engaged in the research and manufacture of CNC products in the fields of advertising, laser, woodworking, etc., relying on high-tech and high-quality production concepts . The product integrates research and development, production, sales, and maintenance services. The company's products have covered woodworking engraving machines, metal engraving machines, stone engraving machines, aluminum plate engraving machines, Jinan engraving machines and other types of engraving machine manufacturers.

  The above is the application of woodworking engraving machine in furniture engraving that we talked about. I hope it will be helpful to you. If you want more information about engraving machine, you can follow us.

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Jiangxi Baotai Nonferrous Metals Group Aluminum Ingot Sales Quotation (August 2021, 08)

 

Product name Description Today’s price Yesterday’s price Ups and downs Date
ADC12  Tax included 18900 18900 0 2021-08-13
AlSi9Cu3  Tax included 19200 19200 0 2021-08-13
A380  Tax included 19700 19700 0 2021-08-13
ADC12-F   Tax included 18700 18700 0 2021-08-13
AC2B   Tax included 19100 19100 0 2021-08-13
Die-cast aluminum   Tax included 18400 18400 0 2021-08-13
National standard aluminum rod   Excluding tax 19040 19040 0 2021-08-13
Non-standard aluminum rod   Excluding tax 18840 18840 0 2021-08-13

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Maintenance measures for fiber laser cutter under low temperature

Maintenance measures for fiber laser cutter under low temperature

Under the low temperature, how to keep fiber laser cutter from freezing that is important. Now let's through the maintenace measures of laser generator and water chiller to solve the problem.So it’s very necessary to take some measures to keep the fiber laser Cutting Machine operate normally in the cold winter. Here are some practical measures as below : 

The maintenance of  laser cutting machine water chiller 

1.The air conditioner or other heating facities should be installed to keep temperature at about 10 degrees.

2.The running water won’t freeze ,so pls keep the water running by operating chiller without break .

3.Mixing glylic antifreeze with water in water tank to antifreeze .

4.The water tank of the chiller should be drained if the fiber laser cutting machine won’t be used for a long time or power off . 

Drainage Steps

A.Turn off the device and open the down valve to drain all the water from the water tank . 

B.Turn on the filter in chiller and drain all the water from it .

C.Turn on the drain screw under the water tank to empty the water in it . 

D.Take down the water pipe behind the tank and mark it clearly .Then squeeze out the water in the laser by putting the 0.2MPA gas into the water pipe(Φ12) . 

E.Squeeze out the water in laser head by putting the 0.2MPA gas into the water pipe(Φ8)

 

The maintenance of laser

a.We highly recommend Clariant industrial grade anti-freezing liquid for the fiber cutting laser machine which need to be operated continuously . It’s a industrial water type glycol which is harmful to human beings and the model number is Antifrogen N . The volume should be 10% to 20% of the water tank, but please note it cannot exceed 20% of it . 

Remarks:The water type propanediol is prohibited 

b.For those fiber laser cutting machine that don’t need to work continuously , we just keep the water chiller of medium-power machine running at night without power on . For the high power laser which the maximum power beyond 2000W , the 24V power must be always on to keep the coolant in a cyclic state and the temperature should be above the freezing point .

The instructions to add anti-freezing liquid

.You’d better to buy the anti-freezing liquid from the local hardware chemical shop intead of buy it from internet because it’s not good for shipping . 

.The proportion should be 30% glycol and 70% water . 

.The glycol must be added if the temperature below zero.

.Please remember glycol is not alcohol and we need to distinguish it strictly

.Please note the full title is “Antifreeze liquid glycol” when you are buying it . 

Remarks:

*.Drain the water with proper gas pressure to protect the laser and keep the water running easy with appropriate concentration anti-freezing liquid.

*.All the water in laser ,laser head and chiller should be drained totally to protect the whole water cooling pipe and relevant components effectively . 

Above is the anti-freezing measure for fiber laser cutting machine . If you have any comments , please feel free to call us by +86 0769 89838888.

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The Principle Of Choosing Suitable Die Casting Machine

The Principle Of Choosing Suitable Die Casting Machine

Die casting machine is a machine used for pressure casting. Including two kinds of hot press room and cold press room. Later, they are divided into two types: straight type and horizontal type. The die-casting machine hydraulically injects the molten metal into the mold under pressure to cool and form. After the mold is opened, solid metal castings can be obtained, which is initially used for die-casting type. The selection principle of die casting machine includes:

  • (1) Understand the types and characteristics of die casting machines;
  • (2) Consider the alloy types of die castings and related requirements;
  • (3) The selected die-casting machine should meet the operating conditions and technical requirements of die-casting parts;
  • (4) The selected die-casting machine should have a certain margin in terms of performance, parameters, efficiency and safety to ensure satisfactory yield, productivity and safety;
  • (5) Under the premise of ensuring the fourth point, the reliability and stability of the machine should also be considered, and a die-casting machine with reasonable cost performance should be selected accordingly;
  • (6) For the production scale of die-casting parts with many varieties and small production volume, under the premise of ensuring the fourth point, compatible specifications should be selected scientifically, so as to cover the required varieties and reduce the cost of the die-casting machine. quantity;
  • (7) Among the various technical indicators and performance parameters of the die-casting machine, the first thing to pay attention to is the injection performance. In the case of the same or similar specifications, the model with a wider range of injection performance parameters is preferred;
  • (8) Where possible, try to equip with mechanized or automated devices, which are beneficial to product quality, production efficiency, safe production, enterprise management and cost accounting;
  • (9) Evaluate the effect of the selected die-casting machine, including: yield, productivity, failure rate, maintenance frequency and workload, performance stability, operational reliability and safety, etc.

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The Principle Of Choosing Suitable Die Casting Machine3, 4 and 5-axis precision CNC machining services for aluminum machining, beryllium, carbon steel, magnesium, titanium machining, Inconel, platinum, superalloy, acetal, polycarbonate, fiberglass, graphite and wood. Capable of machining parts up to 98 in. turning dia. and +/-0.001 in. straightness tolerance. Processes include milling, turning, drilling, boring, threading, tapping, forming, knurling, counterboring, countersinking, reaming and laser cutting. Secondary services such as assembly, centerless grinding, heat treating, plating and welding. Prototype and low to high volume production offered with maximum 50,000 units. Suitable for fluid power, pneumatics, hydraulics and valve applications. Serves the aerospace, aircraft, military, medical and defense industries.PTJ will strategize with you to provide the most cost-effective services to help you reach your target,Welcome to Contact us ( [email protected] ) directly for your new project.

The Common Problems And Solutions For Stainless Steel Deep Drawing Mould

The Common Problems And Solutions For Stainless Steel Deep Drawing Mould


Stainless steel is widely used in industrial production because of its excellent performance, but its stamping performance is poor, the surface of the parts is easy to scratch, and the mold is prone to bond tumors, which greatly affects the quality of stamping and production efficiency. This requires the stamping process to start from the aspects of mold structure, mold materials, heat treatment and lubrication, improve the quality of parts and mold life, and better solve the problems in the stainless steel stamping process.

The Common Problems And Solutions For Stainless Steel Deep Drawing Mould

The Common Problems And Solutions For Stainless Steel Deep Drawing Mould. -PTJ CNC MACHINING Shop

The Stamping Features Of Stainless Steel Sheet

  • (1) Defects such as high yield point, high hardness, significant cold hardening effect, and cracks.
  • (2) The thermal conductivity is worse than that of ordinary carbon steel, which leads to the large deformation force, the punching force and the drawing force.
  • (3) The plastic deformation is severely hardened during deep drawing, and the thin plate is easy to wrinkle or fall off during deep drawing.
  • (4) Adhesive tumors are prone to appear in the deep drawing die, causing serious scratches on the outer diameter of the part.
  • (5) It is difficult to achieve the expected shape during deep drawing.

The Solution Of Stamping Stainless Steel Sheet

The problem of adhesion nodules in the deep drawing process of stainless steel sheet has always plagued the production site and brought great troubles to the producers. However, because the formation of adhesion nodules involves tribological problems, there are many influencing factors. At present, we can only propose measures from different angles to prevent the formation and reduction of adhesion tumors.

Material selection and heat treatment of the working part of the mold

In view of the adhesion tumor problem, the choice of mold material should be based on the affinity between the stainless steel sheet and the mold material. Attention should be paid to two points: one is to choose a mold material with strong resistance to adhesion, and the other is a wear-resistant and friction-reducing mold material. Generally speaking, metals with the same type of metal lattice, lattice spacing, electron density, and electrochemical properties have mutual attraction, strong dissolving ability, and easy adhesion together, resulting in a larger friction coefficient. The mutual solubility of Cr, Ni and Fe is large, so it is more prone to bond nodules when drawing with a steel die. Practice has proved that the use of cast aluminum bronze and duralumin bronze has better anti-sticking effect; the use of tungsten carbide steel bonded cemented carbide to make the die has a life of several times longer than that of Cr12Mov soft nitriding, and it does not stick to the mold; if the code is used 3054 alloy cast iron only needs to be flame quenched on the surface of the mold, and no adhesion tumors will appear on the surface of the mold. In addition, cemented carbide inserts can be used in the vulnerable parts of the mold, which have excellent compression resistance, superior wear resistance and long-lasting surface roughness and dimensional accuracy control. However, due to price issues, it is less used in production.

Surface processing of the working part of the mold

The surface quality of the stainless steel drawing die is very demanding. Lower surface roughness can reduce friction and improve adhesion resistance. After the drawing die is ground, it is more important to eliminate the cnc machining traces. The grinding and polishing processes are often neglected in mold manufacturing. It should be pointed out. In the entire mold machining process, polishing work should account for one-third, because the appearance quality of stainless steel products depends to a large extent on the mold polishing technology. The surface roughness of the mold is reduced, and the number of grinding of the mold is correspondingly reduced, and the service life of the mold is correspondingly improved. If the surface of the mold is not polished enough, and the stainless steel sheet is deepened, it is easy to cause the characteristics of adhesion tumors, and the drawn product will have serious scratches. However, polishing the scratches on the product is time-consuming and ineffective. Therefore, we should work hard in the mold polishing process. Only when the mold surface machining accuracy is improved can the product scratches be reduced, and the mold repair life can be greatly improved.

In recent years, various new polishing technologies and polishing tools have appeared in China. New technologies and equipment such as ultrasonic, electrolytic polishing, abrasive jet, extrusion honing, etc. have been developed. According to the information, the electrochemical polishing experiment was carried out on the molds of CrWMo, 3Cr12W8V, and Cr12, which proved that the polishing can change the surface roughness of the mold cavity from the original Ra3.2-Ra1.6 in only 5-10 minutes. On the basis of this, it is reduced to Ra0.4-RaO.2. At the same time, electrochemical polishing can also increase the surface hardness to improve wear resistance. For another example, the ultrasonic polishing machine can be used for fine polishing of the nitrocarburized cavity, which can avoid the shortcomings of manual polishing that easily damage the nitride film. We should actively apply and summarize the new polishing technology.

Process lubrication

From the drawing characteristics of stainless steel, it can be seen that the formation of adhesion tumors is due to the direct contact between the sheet metal and the mold. This is a theoretically indisputable fact. Therefore, the primary point of choosing a lubricant or coating agent is in the sheet metal deep drawing process. The middle lubricating film does not rupture from beginning to end and plays a role of lubrication. “Anti-viscosity and friction reduction” is the basic starting point for choosing lubricants.

Generally, adding a certain proportion of extreme pressure additives to the lubricant or using solid lubricants can achieve better results. This is mainly to improve the lubricating ability of the lubricant on the metal surface to produce sulfur, phosphorus, and chlorine compounds that chemically react with the metal surface at high temperatures to generate iron sulfide, iron chloride, etc. to enhance the strength of the oil film and enhance the adsorption capacity , Good lubrication of mold and product surface. Solid lubricants are filled into small pits on the metal surface to minimize dry friction contact points. In addition, solid lubricants have high stability, can also play a lubricating effect at high temperatures, and are not prone to mold adhesion. Usually in production according to the degree of product deformation and actual situation selection and formula (the formula can be found in the relevant stamping manual).

In addition, fats, mineral oils, synthetic greases, greases, soaps can also be used to form lubricants, and have a better effect on stainless steel shallow drawing. Organic mineral oil containing water-soluble emulsion or diluted with oil can also be used for shallow drawing. Adding graphite to the lubricant can play a role in anti-adhesion, but it is more difficult to clean after adding graphite. If you choose 3054 alloy cast iron to make the mold, the general lubricant is better.

According to the data, the sheet material can be treated with a salt bath to obtain a layer of soft metal mold (such as copper, zinc, lead, etc.) on the surface, and mold sticking will not occur during the deep drawing process. In addition, in recent years, an organic polymer lubricating film with polyvinyl butyral as the main body has been developed. The surface of the blank is treated to obtain a layer of organic lubricating film, which can deform together with the sheet material, which not only avoids the mold The direct contact with the sheet material prevents mold sticking and ensures the surface quality of the product. Moreover, the friction between the mold and the sheet material is greatly reduced, and it has a good lubrication effect. The experiment shows that the effect is good.

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The Common Problems And Solutions For Stainless Steel Deep Drawing MouldPTJ CNC shop produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. 5 axis CNC milling available.Machining high-temperature alloy range inclouding inconel machining,monel machining,Geek Ascology machining,Carp 49 machining,Hastelloy machining,Nitronic-60 machining,Hymu 80 machining,Tool Steel machining,etc.,. Ideal for aerospace applications.CNC machining produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. 3-axis & 5-axis CNC milling available.We will strategize with you to provide the most cost-effective services to help you reach your target,Welcome to Contact us ( [email protected] ) directly for your new project.

How to deal with stainless steel rust spots?

How to deal with stainless steel rust spots?

 

Chemical methods

 

Using acid pickling paste or spray to assist the rust part to be passivated through forming chromium oxide film to restore its corrosion resistance. After pickling,for removing all pollutants and acid residues, it’s very important to rinse properly with clean water . After all treatments, the polishing equipment is used to re-polish, and the polishing wax is used to seal the polishing wax. For those with slight rust stains locally, the mixture of 1:1 gasoline and oil can be used to wipe off the rust stains with a clean rag.

 

Mechanical method

 

Sandblasting. Using shot peening or glass or ceramic particles for annihilation, scrubbing and polishing. It is possible to erase the contamination caused by previously removed materials, polished materials or annihilated materials by mechanical means. All kinds of pollution, especially foreign iron particles, may be the source of corrosion, especially in humid environment. Therefore, the mechanical cleaning surface should be cleaned regularly under dry conditions. The mechanical method can only clean the surface of the material, but can not change the corrosion resistance of the material itself. Therefore, it is suggested that polishing equipment should be used to re-polish after mechanical cleaning, and polishing wax should be used to seal it.

 

Guest contributors are welcome at the Alloy Wiki.It is a weekly wiki and guide on alloy information and processing technology, while also about the vast array of opportunities that are present in manufacturing. Our team of writers consists of a Machining Material Supplier / Machinist / Tool and Die Maker, a Biomedical Engineer / Product Development Engineer, a Job Development Coordinator / Adjunct Professor, and a President and CEO of a manufacturing facility.


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Improve The Processing Efficiency Of Stamping Parts

The stamping parts processed by stamping parts have been widely used in our lives. The most hope of manufacturers of stamping parts processing is to enhance the production efficiency of stamping parts. So let's take a look at how to improve the efficiency of stamping parts processing. Stamping parts are needed in many fields, such as overall stamping parts for the automotive industry, stamping parts for automotive parts, stamping parts for electrical devices, stamping parts for daily necessities, stamping parts for household appliances, aviation special stamping parts, etc. Therefore, the quality of stamping parts is directly related to the quality of related application products. 

How to improve the production efficiency of stamping parts can be started from the following aspects. mold process card and file and organize the pressure parameters of the mold, make the corresponding identification plate to install the mold or put it in the file next to the press, you can quickly consult the parameters and adjust the height of the mold. In the mold production process, the intensity of self-inspection, mutual inspection and special inspection shall be strengthened to prevent the occurrence of quality defects. Through the training of operator's quality skills, the awareness of production quality shall be improved to improve the product quality. Improve mold maintenance efficiency, maintain mold maintenance through each batch of production, improve mold life and increase production efficiency. Repair the faults of the mold in time, repair the welding of the blade collapse and repair the deformation of the mold production plate. I believe that using the above methods can greatly improve the production efficiency of stamping parts.

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Why Use The Silicone Straw Cup For Baby?

Why Use The silicone Straw Cup for Baby?

【Double Non-Slip Handles& Natural Fit for Tiny Hands】The Toddler Cup is designed to fit baby’s mouth and little hands, toddlers can hold the tiny cup easily without spilling, the trainer cup will allow your toddler to transition from a bottle to their first grown-up cup, they will be delighted using this silicone training cups for babies like a big kid, an ideal way to encourage your little one to learn to drink independently.

【Pacifier Shape Spill-Proof Lid】Spill proof sippy cup won't break when dropped, when your toddler tilts the cup, liquid will not come out through the lid, the unique gear design, it is not easy for your child to open the lid. So your can let your baby use it around carpets or on the bed.

【Easy to Suck Design】Theproduct design is superior to all the traditional fully-sealed baby drinking cups. There is no need to perforate vents on the cup lid. The intimate design can ensure that children can easily suck through the straw without leaking. The baby training cup with lid and straw can be used as a straw cup, sippy cup and an open cup at the same time, perfect for all occasions!

【Made of 100% Food Grade Silicone】Silicone sippy cup with straw have passed Children's Product Certificate, NO BPA, BPS, PVC, Latex, Plastics, Phthalates, Lead, Cadmium, or Formaldehyde. The toddler straw cup edge is rounded off and the soft silicone staw protects baby’s gums or developing teeth. Heat-resistant silicone can stand -40℉/+446℉, the training cup can be used for both cold drinking and hot drinking.

【Easy to Clean and Dishwasher Safe】Unlike other Plastic kids cups on the market, with the latest design of the lids and removable straw makes the silicone baby cup easy to disassemble and wash thoroughly, kid smoothie cups are suitable for microwave, freezer use and can be clean up easily in the dishwasher or by hand, accompany your little angel’s healthy growth every day.

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Mingtai Aluminum will lift the ban on 9 shares on September 27

Mingtai Aluminum (601677) will lift the ban on 780,000 shares on September 27, 2021, accounting for 0.11% of the total share capital. The lifting ratio is average. The type of lifted shares is equity incentive restricted shares.

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