sand washing screw

sand washing screw, 1.Material: 38C rMoALA,etc, 2.Double-alloy technical, 3.Nitriding hardness:800-1050HV - details see: https://www.machineto.com/sand-washing-screw-10331881

Place of Origin:Zhejiang China (Mainland)	Brand Name:JW	Model Number:screw and barrel	Screw Design:Double-screw
Condition:New	Material::High quality alloy steel	Nitriding depth:0.50-0.80mm	Nitriding hardness:800-1050HV
Nitriding brittleness:Less than grade 1	Surface roughness:Ra0.4	Hardness of modulator:HB260-290

sand washing screw

The conical twin screws and barrel can be designed different structure according to the different product and market requests.

Specifications of conical twin-screw and barrel:

45/90	45/97	50/103
55/110	60/120	65/125
68/146	80/156	80/172
92/188

Technical standard:

1.Material: 38C rMoALA

2.Hardness of modulator: HB260-290

3.Hardness of nitrification:800-1050HV

4.Depth of nitrification layer: 0.4-0.7mm

Double-alloy technical standard:

Double-alloy level:

1.Level A - containing tungsten of 40%

2.Level B - containing tungsten of 25%

3.Level C - containing tungsten of 9.5%

4.Hardness of alloy: HRC56-65o

Applied scope of plastic: applied for PVC and WPC material, has a high output and stable performance.

1.Components of alloy powder: Ni + Co + Cr + W + Si + Fe + B + C

2.Depth of alloy layer: 1.2 mm-2.0 mm

3.Hardness of alloy: HRC>65°

Two stage type of barrel (material of powder outlet is Cr12MoMV, vacuum quenching)
and screw (powder output is treated by alloy), the using lifespan is long as twice
as common ones.The twin screws and barrel can be equipped in differents