An inlaid alloy high-performance shearing circular knife and its processing method
A processing method and high-performance technology, applied in the field of tool processing, can solve problems such as difficult to meet the needs of use, poor quality of slitting tools, and high price, and achieve the effects of easy promotion and use, improved quality, and low processing costs
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Embodiment 1
[0055] Such as figure 2 As shown, an inlaid alloy high-performance round shearing knife in this embodiment includes a knife ring 13 and a knife body 14 , and the knife ring 13 is directly fitted and fixed on the outer peripheral surface of the knife body 14 by inlaying. The cutter body 14 of the present embodiment adopts spring steel material, and the composition and mass ratio of the spring steel material used are: C: 0.62-0.7%, Si: 0.17-0.37%, S≤0.035%, Mn: 0.9-1.2% , Cr:≤0.25%, P≤0.035%, Ni≤0.25%. The cutter ring 13 is made of a powder metallurgy blank, and the raw material components of the powder metallurgy blank are: WC 80%, Co 17%, W, Ni, Cr 3 C 2 , VC, Mo 2 C, TaC 3%, among them, Cr 3 C 2 , VC, Mo 2 The mass percentages of C, TaC, Ni, and W are 0.5%, 0.4%, 0.6%, 0.4%, 0.1%, and 1%, respectively. According to the use characteristics and requirements of the shearing circular knife, the knife ring 13 and the knife body 14 are respectively set to two different mate...
Embodiment 2
[0087] A high-performance round shearing knife inlaid with alloy in this embodiment includes a knife ring 13 and a knife body 14 , and the knife ring 13 is fixed on the outer peripheral surface of the knife body 14 . In this embodiment, two L-shaped annular steps are processed on the outer peripheral surface of the cutter body 14, and the two cutter rings 13 are respectively set and fixed on the L-shaped annular steps by inlaying, thereby processing a double-sided knife edge. shearing round knife. The cutter body 14 of the present embodiment adopts spring steel material, and the composition and mass ratio of the spring steel material used are: C: 0.62-0.7%, Si: 0.17-0.37%, S≤0.035%, Mn: 0.9-1.2% , Cr:≤0.25%, P≤0.035%, Ni≤0.25%. The cutter ring 1 is made of a powder metallurgy blank, and the raw material components of the powder metallurgy blank are: WC 82%, Co 15%, W, Ni, Cr 3 C 2 , VC, Mo 2 C, TaC 3%, among them, Cr 3 C 2 , VC, Mo 2 The mass percentages of C, TaC, Ni, ...
Embodiment 3
[0107] An inlaid alloy high-performance shearing round knife of this embodiment is similar to that of Embodiment 1, the difference is that the raw material components of the knife ring blank of this embodiment are calculated by weight percentage: WC 80%, Co 15%, W, Ni, Cr 3 C 2 , VC, Mo 2 C, TaC5%, among them, Cr 3 C 2 , VC, Mo 2 The mass percentages of C, TaC, Ni, and W are 0.4%, 0.3%, 1%, 0.5%, 0.3%, and 2.5%, respectively.
[0108] The processing method of the above-mentioned inlaid alloy high-performance shearing circular knife of the present embodiment, its steps are:
[0109] Step 1. Preparation of knife ring raw materials:
[0110] Weigh the raw materials of the powder metallurgy blank for processing the knife ring 13 according to the mass percentage requirements;
[0111] Step 2, blank preparation of knife ring:
[0112] Mix the components weighed in step 1 and put them into a wet mill for wet milling. The wet milling medium is alcohol, and the mass ratio of al...
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