“A plastic injection mold should be as bright as a mirror. The old or steel can be…”
Category - TOOLS
“One of the most common complaints about the polishing of plastic injection holds…”
“It is not possible to avoid abrasive wear of the cutting tools but to postpone it.”
“Cutting, forming tool and stamp can be produced out of oil-hardening steels.”
“The EDm process damages the surface of the mold, but it is now almost impossible to make mold without EDM.”
“For traditional steels, rolling direction is very important.”
“Ready EDM blocks are heat treated, cold work tool steels usually with hardness of 60 HRc.”
“There are two methods of tool steel manufacturing. First one is traditional…”
“It is very difficult to make forming and cutting tool without EDM operation.”
“The most commonly used cold work tool steel, especially for body shell forming tools…”
“The punches must work parallel to rolling direction. If the EDM block is…”
“The majority or the tool failures cme from the punches.”
“Pre-hardened steel can be used for forming tools, if the performance demand is low, the shet is thin…”
“Tool steels are high alloyed steels. These steels contain chromium…”
“Coating on breaking punches has a positive effect.”
“Cold work steels have high chromium and carbon content.”
“The majority of sheet metal production lines stop by the breakage stop by the breakage of a small…”
“The punches work to compress which means they swell while working.”
“Vanadis 8 has as high wear resistance as Vanadis 10. And as high toughness as…”
“Vanadis 4 Extra is the next generation PM steel and is very assertive to be the…”
“All steel grades are produced by forging or rolling except for PM steels.”
“Before PVD coatings such as chromium nitride, titanium nitride, titanium aluminium nitride, a fine nitriding layer should be done.”
COATINGS, FAILURE MECHANISMS, HEAT TREATMENT, TOOLS
Is nitriding applied on to forming and drawing tools?
“The goal nitriding on forming tools is to reduce the friction, prevent or reduce the…”
“The thick nitriding layer especially on 2379 can cause chipping.”
FAILURE MECHANISMS, HEAT TREATMENT, TOOL STEEL, TOOLS
Can 2379, Sverker 21 and Sleipner be nitrided?
“In cutting and forming tools the nitridig layer should be very thin.”
“There’s no need for die and the punch to be made of the same steel.”
“The chromium content decreased while switching to 2379 from…”
“Vanadis 8 is advanced version of Vanadis 10 and based on the idea from Vanadis 4E.”
“Calmax is a cold work steel that can reach 60 HRc. It is based on automotive industry.”
“Carmo is the pre-hardened vrsion of Calmax. It is used in forming tools of…”
“Cold work steels are generally non-ESR. Caldie is one of the special steels…”
“They have the same chemical composition, but they are not the same.”
