Device Name: Air hammer, Forging roll.Electric screw press.Precision punch Robot welding Plasma cutting machine

Precision:Rough forging, For precision forging. the dimension tolerance can ne controlled within 0.3,/For Precision punch, the dimension tolerance can be controlled within 0.1, flatness and parallelism 0.03

Processing Range:A variety of forging parts, Rolling forging for ring, parts/Direct forming for steel parts with complex shape, Rotary extrusion for thin-wall pulley sprocket. Steel sheet drawing for thin-wall parts.

2.Heat treatment:

Device Name: Pit fumace / Box-type furnace / Universal furnace / 40-500KW intermediate frequency and high frequency quenching equipment

Precision: MAX HRC65(±1),variation range ±HRC1 / The deformation of vacuum quenching ≤0.05 / The surface hardness of nitriding HV1200-1400, deformation≤0.01

Processing Range: Quenching and tempering / Quenching carburizing and quenching / Salt bath quenching / Vacuum quenching / Subzero treatment / Liquid nitriding / Gas nitriding / Carbonni triding / QPQ treatment / high-frequency quenching

3.Lathe processing:

Device Name: Imported full-automatic vertical and horizontal CNC machine

Precision: Dimension tolerance grand 6. Roundness, straightness,concen tricit≤0.01. Roughuess Ra0.8，Rz3.2

Processing Range: Inner bore≥6mm，Outside diameter≤2000mm，Length≤2000mm

4.Drilling and milling process:

Device Name: inported machining center inported CNC tapping center

Precision: Tolerance of inner bore:grand 6. Position 0.05, roughness Ra 0.8

Processing Range: The min inner bore 1mm, metric, inch,American standard thread, min M 1.6. Length of workbench 1200mm, width 800mm

5.Tooth shape processing:

Device Name: CNC gear hobbing machine / Gear shapingmachine / Normal gear hobbing machine

Precision: The roughness of teeth surface Ra 1.6. Concentricity 0.05

Processing Range: Max module M=16/Outsude diameter ≤1500mm / Max teeth number:216

6.Grinding:

Device Name: CNC cylindrical grinder / Surface grinder / Internal grinder

Precision: Dimension tolerance: Grand 5. Roughness Ra 0.4, Rz1.6

Processing Range: Outside diameter 3mm-200mm

7.Other manufacturing process:

Device Name: Imported vartical broaching machine hydraulic broaching machine

Precision: The symmetry of keyway 0.03/ The tolerance of keyway grand 8 / the precision of spline grand 5 which is the equivalent of DIN grand 8

Processing Range: Straufgt keyway / Spline shaft and spline bore / special bore (square hole, elliptical hole)

8.Surface treatment:

Device Name: Automatic electroplating production line

Precision: The thickness tolerance of zine plated 0.003mm, neutral salt spray test 120 hours.

Processing Range: Zinc plated, Non-chromate Dacromet treatment, chromium plated, black oxide treatment, phosphorization, anodic oxidation, nickel plating.