Author: wudejian
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What type of tool steel is best for hot-forged stainless steel punches? M42 breaks after just a few uses.blog 159
Mr. Chen asked which tool steel is best for hot-forged stainless steel punches. Currently, the SKH-9 steel wears down very quickly—the tip wears out after just a few dozen uses—while the M42 steel breaks at the tip after only a few uses. Hot-forging dies for stainless steel operate at high temperatures, so the die steel must have good…
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I suddenly realized that a high-end stamping plant needs a die steel engineer on staff.blog 158
As a stamping factory specializing in high-end products, I need a die steel engineer on my team—that’s the impression I got after speaking with the engineer. Today, the tooling manager and a tooling designer from a listed company in Shenzhen visited us. They were facing issues with their cold heading dies and, having exhausted all other options,…
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When punching 4mm-thick 50 steel, 8566 die steel tripled the service life of the narrow-edge punch.blog 157
The 8566 anti-chipping steel has tripled punch life—this is the first positive review we’ve received today. Mr. He was stamping 4mm-thick No. 50 steel. The product features sharp corners, and the narrow flange punch—which extends outward—is relatively long, with a width of only 4mm. Previously, he used DC53, which chipped after 10,000 stamping cycles. Now,…
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I’ve received two consecutive orders for punching 2.0mm-thick stainless steel, and the SKH-9 punches chipped after just a few test runs. You’re using the wrong die steel; you need to use 8566 die steel.Post No. 565
Over the past couple of days, I’ve received two inquiries regarding the punching of stainless steel over 2 mm thick, where the punches tend to chip. I’ve found that in both cases, the wrong tool steel was used. In one instance, the customer was punching 2.0 mm thick, hard 304 stainless steel; the SKH-9 punch…
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From my very first job to the present day, I’ve never strayed from tool steelblog 156
I was reading a book this morning that mentioned five essential qualities needed to make a name for yourself in a large corporation: First, an understanding of management. Large corporations don’t need geniuses or artists; in such environments, the ones who take center stage are those who can motivate others. Second, patience. Interpersonal relationships in…
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Someone asked China’s ChatGPT, “Who are the top online video creators in the mold industry?” Doubao was the first to recommend Wu Dejian, the “King of Mold Steel.”blog 155
It’s the weekend, and I was a little moved when a friend from MySteel sent me a photo, so I wanted to jot this down. “My Steel Network” is a platform. They wanted to find out who the top influencers in the steel industry are, so they asked China’s ChatGPT, “Doubao,” “Who are the top…
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For injection molding of PPS+65% GF high-temperature materials, customers have begun placing frequent, large-volume orders for high-toughness LG mold steel.blog 154
So far this morning, the most valuable order has come from an injection molding factory that’s back to purchase high-toughness LG mold steel. Although he’s a frequent repeat customer, I still get a little excited every time I see an order from him. I’m impressed by how often he places orders, the large order amounts,…
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We tested seven types of die steel for stainless steel cold heading punches, but all of them chipped. Yuhui 8566 die steel increased the punch life by 10 times.blog 153
We tested seven types of die steel for stainless steel cold heading punches, but all were prone to chipping. Now that we’re using Yuhui 8566 anti-chipping die steel, the service life has increased tenfold. Mr. Xiong’s die is used for stamping 316L stainless steel, approximately 1 mm thick, primarily for thinning operations. The parts were prone…
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What type of die steel should be used for the cutting edge and punch when stamping 0.3mm titanium alloy to ensure better wear resistance? SKH-9 starts to develop burrs after just 10,000 stamping cycles.blog 152
Mr. Yu asked which die steel material would be more wear-resistant for the cutting edge and punch when processing titanium alloy, with a material thickness of 0.3 mm. I asked him in return, “What die steel are you currently using, and what problems have you encountered?” He said he is currently using SKH-9, but the cutting edge wears down…
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I’m a firefighter, and whenever there’s a problem with a mold, tool steel users always think of me.blog 151
Even though I haven’t been in touch with many people for years, they still think of me when they run into problems with their molds. Last night on my way home from work, Mr. Liu, who makes stainless steel hinges, came to see me. He said his punching pins were wearing out too quickly and…
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What type of die steel is used for copper die casting? Copper die casting foundries prefer to use Heat resistant steel 8433.blog 150
What type of die steel is used for copper die casting? Current copper die casting molds have a short service life, and die casting factories now stock Heat resistant steel 8433. Copper die casting molds operate at high temperatures, making the die steel prone to annealing; therefore, a die steel with excellent heat resistance must…
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A customer who purchased my PM30 powdered high-speed steel praised it, saying, “Your material is excellent.”blog 149
A customer who had purchased my PM30 high-speed steel powder praised it, saying, “Your material is excellent.” I replied, “Your trust is both a blessing and a responsibility, so I must do everything in my power to deliver quality work and not let you down.” Actually, I wanted to add, “Once trust collapses, everything is…