Product Details

Specifications

We can supply planetary screw barrel/cylinder for PVC extrusion bimetallic screw barrel

Supply plastic extruding parts planetary screw barrel
1.Materials: 38CrMoAIA, 9Cr18MoV
2.Application:PVC granule

3.Depth of nitration case:0.5-0.8mm

4.Hardness of nitration: 950-1020HV

5.Fragility of nitration: Less than grade 1

6.Roughness of the surface:Ra 0.4um

7.Linearity of the screw:0.015mm

8.Chromium-plating layer thickness:0.03-0.08mm

9.The surface hard chromium plating hardness after nitrogenation:>=950HV

10.Guarantee: Common Nitrided: approx 2 years Bimetallic : much longer lifetime

Our company is specialized in the production of planetary extruder and planetary screw barrrel sole enterprise in

Zhoushan. The company also can according to the requirements of the customers, equipped with special parts.

The company will provide the high quality service, and sincerely welcomes you to inquiry.

Base materials	1)38CrMoAlA 2)42CrMo
Bimetallic alloy materials	1)Ni-based alloy/Deloro alloy 2)Tungsten carbide/Wolfram carbide
Processing technics	Heat treatment
	High-frequency quenching
	Nitriding treatment
	Ionic nitriding
	Bimetallic alloy centrifugal casting
Technical parameters	Nitriding layer depth	0.3-0.7mm
	Nitrided Hardness	850-950HV (HRC 50-60)
	Nitrided brittleness	Less than grade 1
	Surface roughness	Ra 0.4
	Linearity of screw	0.015mm
	Bimetallic layer depth	2 mm
	Bimetallic layer hardness	HRC 50-65
Products Application	1)Rigid PVC products: plastic sheet, PVC medical sheet, PVC card substrate, PVC poker card meterial, PVC watches sheet, colored PVC sheet
	2)Semi rigid PVC products: semi rigid PVC adhesive tape, printing cloth, advertising materials, light box cloth, decorative materials(film)
	3)Soft PVC products: soft PVC tape, all kinds of inflatable toys, raincoats, plastic film materials, salt film, home textile packaging.
Terms and Conditions	Methods of transport: Ocean,Air,Express
	Production time:About 20-25 working days after we receive 30% deposit