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Wear resisting, Corrosion resisting, Longer service life, Professional design, Higher output - details see: https://www.machineto.com/conical-twin-screw-and-barrel-10334624

Techincal Specification:

Tempering hardness: HB280-320

Nitride hardness: HV850-1000

Nitride layer thickness: 0.45-0.7mm

Nitride brittleness:≤2 grade

Surface roughness: Ra 0.4

Screw straightness: 0.015mm

Surface chromium-plating's hardness after nitriding: ≥900HV

Chromium-plating thickness: 0.025-0.10mm

Bimetallic hardness: HRC50-65

Material & Processes:

Quality 38CrMoAlA

Quality Duplex Stainless Steel

42CrMo

40Cr

GH113

SKD61

Quality power metallurgy raw materials

Cold / thermal spray process of hard metal

Advanced nitride process

Bimetallic spraying process for corrosion and abrasion resistence

specification (d/D)	working length (mm)	extrusion ability(kg/h)	rotation speed (rpm)
35/77	810	40-70	5-50
45/90	990	50-80	5-45
50/105	1070	100-150	4-45
51/105	1220	100-150	4-45
55/110	1220	120-180	4-40
60/125	1320	150-200	4-40
65/120	1440	200-250	4-40
65/132	1440	200-250	4-40
70/140	1460	220-300	4-40
75/150	1480	250-300	4-35
80/143	1800	300-360	4-35
80/156	1660	300-360	4-35
92/188	2000	400-500	4-35

Taisu Screw Barrel Applicable Plastic Material Parameter
Plastic category	Abbreviation	Vulgo	Proportion	Melting point(°C)	Injection force(Bar)	Contractibility rate(%)
Hard Plastic polystyrene	PS	General hard Plastic	1.07	100	700-2100	0.4
	HIPS	High impact polystyrene	1.05	100	700-2100	0.4
	ABS	ABS plastic super unbreakable plastic	1.05	110	500-1800	0.6
	SAN	Transparent strong adhesive	1.09	115	700-2300	0.2
	EPN	polystyrene foam
Polyacrylic resin	PMMA	Yakeli,Acryl	1.19	100	700-1400	0.5
Nylon class (polyamide)	PA6	Nylon6	1.13	216	500-1400	0.8-1.5
	PA12	Nylon12	1.01	179	500-1400	0.3-1.5
	PA66	Nylon66	1.14	265	500-1400	2.25
	PAST	Reinforced nylon	1.1	216	500-1400	0.8-1.8
Polyacetal class	POM	Acetal,Organic glass	1.41	175	700-1400	2
Polyester class	PET	polyester	1.37	258	700-1400	2.25
	PBT	polyester	1.35	250	700-1400	1.5-2.0
	UP	Unsaturated polyester	2.0-2.1			1.5-2.0
Soft Plastic polystyrene	LDPE	Soft plastic	0.92	120	500-2100	1.5-5
	HDPE	Rigid soft plastic	0.95	130	700-1400	2.0-5.0
	UHMPE	Super rigid soft plastic	0.94	130	700-1400	2.0-5.0
	EVA	Polythylene copolymer	0.94	80	500-1400	1
Polypropylene	PP	Polypropylene	0.91	176	700-1400	1-2.5
PVC(Polyvinyl chloride)	PVC	Polyvinyl chloride(PVC) original resin	1.30-1.58	75-105	700-2800	0.1-0.5
	PVC	PVC paste resin	1.16-1.35	75-105	500-1800	1.5