Water-air alternating quenching application example

The large-diameter alloy steel parts are quenched and tempered, and the water quenching is replaced by alternate quenching of water, no environmental pollution, low production cost, and the metallographic structure and mechanical properties of the parts are superior to oil quenching.

1. Parts introduction

Our company is a kind of chain part 0A21074 half shaft, the material is 42CrMo, technical requirements: quenching and tempering treatment, hardness 269~321HBW, the structure of the parts is shown in Figure 1.

The weight of the part is 120kg, the maximum diameter is 145mm, and the annual dosage is about 3000. The original process plan is shown in Figure 2. The hardness after heat treatment is 277~285HBW. The quality of the parts is stable and reliable, and there is no quality problem.

Metal Stamping Parts

Hebei Xinyu Metal Products Co.,Ltd is a ISO9001 cerificated enterprise,which specialize in 
manufacturing and exporting Furniture Nuts .Product including 
Wing Nuts , Hopper Feed T Nuts , Propeller Nuts , Weld Nuts , Pallet Nuts , Locking Nuts , Rivet Nuts , Doggie Tooth Washers , Steel Stamped Parts , Hopper Feed Rivet T Nuts , Metal Stamped Parts ,
T-Nuts For Cliff-Climbing,Furniture Nuts, Tee Nut For Rock Climbing holding, Insert Tee Nut ,Middle steel Zinc Plated Stamping Wing Nut, Auto Flat Plane Weld Nuts ,
Automobile Spot Welding Nut,Customer-Made Metal Stamping Parts, Cold Heading Tee Nuts ,Stainless Steel Butterfly Nuts, Furniture Eccentric Wheel , Cam Lock Furniture Nut .
   Our key strength are custom made special fasteners according to drawing or sample .We have longer and stable business relationship with well-known companies from American, Poland,Germany,French and so on.In the future ,xinyu will continue focusing on innovation special designed products,becoming your most trusted partner.

Metal Stamped Parts

Metal Stamped Parts,Metal Stamping Parts,Metal Fasteners Stamped Parts,Customized Metal Stamping Parts

Hebei Xinyu Metal Products Co.,Ltd , http://www.t-nuts.net