Product Details

twin screw barrel conical twin screw barrel double conical barrel screw for PVC pipe sheet,Plastic pipe extruder machine conical twin screws and barrels for PVC pipe/sheet/profile

Product display:

Specification:

35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120,58/124, 60/125, 65/120, 65/132, 68/143, 70/135,70/140, 75/150, 80/143, 80/156, 92/188, 95/191, 105/191, 100/200

The above are standard specifications , we can customize according to customers’ requirements.

The compression ratio of screws can be designed according to different products and ingredients.

Technical Information:

Main Base materials	1.38CrMoAlA (Nitriding Steel)
	2. SKD-61 (Special Tool Steel)
	3. 42CrMo (Ultrahigh Strength Steel)
	4. DC53 (Cold Work Die Steel)
	5. W6Mo5Cr4V2 (High-Speed Tool Steel)
	6. HPT

Main Alloy Materials	1. Ni-based alloy/Deloro alloy
	2. Tungsten carbide/Wolfram carbide
	3. NiCo-based alloy
	4. Fe-based alloy
	5. Co-based alloy

Processing Technics	1. Heat treatment
	2. Quenching
	3. Nitriding treatment
	4. Bimetallic alloy welding
	5. Bimetallic alloy centrifugal casting
	6. Hard-chrome electroplating

Technical parameters	Nitriding layer depth	0.5-0.8mm
	Nitrided hardness	HRC56-58
	Nitrided brittleness	Less than grade 1
	Surface roughness	Ra 0.4
	Linearity of screw	0.015mm
	Hard-chrome plating hardness	≥HRC57
	Chrome-plating layer depth	0.03-0.09mm
	Bimetallic layer depth	3 mm
	Bimetallic layer hardness	HRC58-62
Above are main technical information, a suitable screw and barrel will be made according to your requirement.

Technological Process:

Order receiving → Drawing confirmation → Blanking → Thermal refining → Rough Turning → Barrel drilling → Semi Finishing Machining → Bimetallic making → Nitriding treatment →Hard-chrome plating → Grinding → Barrel honing → Polishing → Inspecting → Packing → Shipping

ISO9001:2008 quality certificate:

Products application:

About ZY:

ZY screw has been established for 20 years and has 8 years experience in exporting screws and barrels, we have experienced workers, all necessary equipments like CNC machines, centrifugal casting machines, nitriding furnace...... More processing steps will be used in the manufacturing in order to have a better quality, all screw and barrel will be checked more than once before shipping.

You can tell us your requirement in wear& corrosion resistant or others, different price will be quoted, also design service& measure service is provided too.

Choose us, we do screw and barrel in good attitude!

Welcome to contact us~!

If you are looking for a reliable screw barrel supplier,you won't be wrong to choose us!