Author: wudejian
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What kind of die steel should be used to solve the problem of scratches on DC01 iron material stretching mold and DC53 product stretching mold?blog 125
Netizen Mr. He said that DC53 die steel is used to stretch DC01 iron material. Stretching one product will cause scratches, polishing the mold will make it shiny again, and stretching again will cause scratches. What is the reason for this and what die steel should be used to solve it? Stretching a product with a stretching mold can…
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Mr. Huang said that compared to the market PM60 powder high-speed steel, your family is still reliable.blog 124
Mr. Huang’s words, ‘Your family is reliable,’ have softened my heart. Mr. Huang’s blade is used to cut single and 0.15mm stainless steel wire. Originally, he used tungsten steel blades that kept breaking, but now he has switched to Yuhui PM60, which can cut for more than half a year. Last time, he bought another…
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What mold steel should be used for PC injection molds with a wall thickness of 2.4mm that are prone to deviation during core pulling?blog 123
A netizen left a message below the video asking, ‘I am currently using a core pulling board in the plastic film for my PC, which is only 2.4mm thick and prone to eccentricity. Do you have any good material recommendations?’? A 2.4mm thick sheet is prone to deviation, which is caused by insufficient strength. You…
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The rusting of S136 mold steel for injection molding PVC is a material selection error, and electroplating is also ineffective.blog 122
The use of S136 mold steel for injection molding PVC is a material selection error. The mold is bound to rust, and electroplating is also useless. A netizen asked, “I am making PVC hard material, and the S136 I used to use didn’t work. The mold rusted and pitted, and it rusted while polishing. It…
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Do not use Cr12MoV tool steel for stretching molds that require coating, as few can succeed. Chapter 580
I advise everyone not to use Cr12MoV for stretching molds with coatings, as there are few successful ones. Although the price of Cr12MoV is very cheap, you will lose big for small gains. What you are losing is not only the tool steel, but also dozens of dollars per kilogram for coating costs, mold processing costs,…
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Four copies of 8566 die steel, stamping 2mm stainless steel. Although the punch is changed twice a day, the user is very satisfied.blog 121
It’s better not to do some business well, and for some people, it’s better to let them continue to hit the southern wall. Mr. Jiang said that 2mm stainless steel punching material will cause PM23 to collapse. Now, using the four copied 856 die steel you mentioned, it will wear out after 10000 punches. The punch will…
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I have a feeling that now tool steel users have increasingly high requirements for performance and are not sensitive to price.blog 120
I always feel that in the current manufacturing industry, there are more and more users using high-performance tool steel. The second wave of customers who came this afternoon are those who specialize in automotive terminal harness automation equipment. Their selection of terminal machine mold blades is uncertain, but they have chosen LG die steel with high toughness to…
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What kind of die steel is used for hot forging punch to withstand impact?blog 119
Mr. Li from Dalang, Dongguan, just came to Yuhui Mold Steel for consultation with his product. He is a hot forged SAPH440 iron material, and now the punch has cracked after 1000 hits. What kind of mold steel is used for the punch to resist hitting? Hot forging punches need to withstand high temperatures and…
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The hardness of the previous four copy 8566 die steel was at least imaginable, but now the four copy 8566 doesn’t look like anything, yet someone still pays for it, which surprises me.blog 118
In the past, when mold steel was fake, there were some similarities, at least the hardness values were similar. But now when mold steel is fake, it can look nothing like anything. Yesterday, I learned about a bizarre case of 8566 forging. Mr. Su made a stainless steel cold heading mold and flattened the annealed…
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Zhihu netizens ask: Why are alloy elements added to steel?blog 117
Zhihu netizens ask: Why are alloy elements added to steel? There are five main strengthening methods for steel, namely solid solution strengthening with carbon addition, displacement strengthening with alloy addition, forging strengthening, fine grain strengthening, and quenching strengthening with heat treatment. Adding alloying elements is the second largest strengthening method and the main method of…
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Zhihu netizens ask: Why do some metal materials become abnormally brittle or even break at low temperatures?blog 116
Zhihu netizens ask: Why do some metal materials become abnormally brittle or even break at low temperatures? Previously, it was reported in the news that certain steels undergo brittle fracture in winter. What is the physical mechanism behind this? Is there any way to improve the low-temperature toughness of metal materials and ensure their reliability…
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Products that can become popular and advertisements are deeply rooted in people’s hearts.blog 115
Yesterday when I saw a Rolls Royce car in Macau, I remembered the classic slogan of the Ogilvy: ‘At 60 miles per hour, the maximum noise comes from the electronic clock’. The beauty lies in the fact that this advertisement does not have adjectives, but describes quietness, forming a sharp contrast with our real-life perception…