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Single Injection Screw Barrel For Moulding Machines

Place of Origin: Zhejiang, China (Mainland)

Brand Name: Qunying

Model Number: QY14101568

Screw style: Plastic injection screw barrel level screw

Screw Diameter: 15mm-360mm

Ratio of length: L/D=12-45

Surface hardness: HV≥ 900

Nitriding depth: 0.5-0.8mm

Based material: 38CrMoAlA

Bimetallic alloy: Cobalt &Tungsten alloy

Standard: ISO9001-2000

Products Details

Packaging & Delivery

Packaging Details: PE Casting Film and Standard Wooden Case

Delivery Time: 25~30 Days after Deposit Payment

Specification

Design Details	Screw I TYPE:nitirding ones II TYPE:bimetallic ones III TYPE:chrome plating ones Barrel I TYPE:nitriding ones II TYPE:bimetallic ones
Accessories	1Xscrew head,1xscrew collar,1xscrew sheel,1xbarrel flange,1xbarrel nozzle
Technical Specification	Material:High quality 38CrMoAlA Process:Advanced nitriding & bimetallic process Hardness After Hardening & Tempering:HB280-320 Nitrided Hardness:HV900-1000 Nitrided Case Depth:0.45-0.8mm Nitrided Brittleness:Less than Grade 2 Surface Roughness:Ra 0.4 Screw Straightness:0.015mm Alloy Hardness:HRC 50-65 Alloy Depth:0.8-2.0mm for screw and 1~3mm for barrel
MOQ	1 set (1 pc screw and 1 pc barrel)
Delivery	25~35 days

Screw & barrel use material

Raw material	The finished product processing requirements
38CrMoAIA, SACM645	Nitriding treatment
Cr12MoV, Cr12,	Alloy steel
38CrMoAIA, SACM645, 40Cr, AISI4140, 42CrMo	Bimetallic of the inner hole centrifugal casting
GHII3,GH132/GH2132/A-286; GH145/InconelX-750;GH143; GH169/InconelX718, GH3030, GH5K	300-1400 temperature, nature hard after high temperature

Specification parameter

Amount of injection (g)	Screw diameter*length (mm)	Barrel diameter *length (mm)	Amount of injection (g)	Screw diameter *length (mm)	Barrel diameter*length (mm)
30-90	Φ30*90	Φ85*860	800-1250	Φ75*1825	Φ170*1725
60-125	Φ35*910	Φ85*860	1000-1500	Φ80*2000	Φ180*1805
100-150	Φ38*935	Φ95*900	1250-2000	Φ85*2300	Φ190*1900
125-160	Φ40*980	Φ95*910	2000-3000	Φ90*2700	Φ210*2000
125-300	Φ42*1030	Φ105*8880	2500-5000	Φ100*2600	Φ230*2405
250-400	Φ45*1210	Φ115*1165	3000-6000	Φ110*2600	Φ256*2590
300-500	Φ50*1300	Φ125*1260	4000-10000	Φ120*2800	Φ256*2800
450-600	Φ55*1335	Φ130*1320	6000-8000	Φ130*3010	Φ256*2970
500-700	Φ56*1350	Φ130*1350	8000-10000	Φ145*3010	Φ256*3200
500-700	Φ60*1380	Φ140*1350	10000-15000	Φ160*3500	Φ270*3200
650-800	Φ65*1415	Φ150*1420	13000-25000	Φ170*3415	Φ317*3380
700-1000	Φ70*1790	Φ160*1685

Production Flow

Screw Process:
Blanking ->Punching ->Rough turning ->Hardening & Tempering ->Finish turning ->Rough Milling ->Finish Milling ->Make grooves for bimetallic ->Bimetallic by PTA ->Rough Grinding ->Rough polishing ->Make splines or Keys ->Nitriding ->Finish Grinding ->Polishing ->Packing & Delivery
Barrel Process:
Blanking ->Punching ->Rough turning ->Rough Boring ->Hardening&Tempering ->Finish Boring(0.4-0.8mm) ->Make grooves for bimetallic ->Bimetallic by PTA ->Finish Grinding ->Finish turning ->Milling the feeding hole & exhausting holes ->Nitriding ->Make other small holes,thermometer hole,location hole->Grinding surface of feeding hole & exhausting hole ->Polishing ->Packing & Delivery

Company Information

ZHOUSHAN QUNYING PLASTIC MACHINERY MANUFACTORY is a professional manufacturer of extruder screw barrel, injection screw barrel, parallel twin screw barrel, conical twin screw barrel, rubber screw barrel, bimetallic screw barrel and other various types of screw barrel. At present, Qunying SCREW have a professional design experienced production team. We are located in east of Zhoushan city, zhejiang province, close to Shanghai, Ningbo port.

ZHOUSHAN QUNYING SCREW has strong technical force, equipped with advanced equipment and strict tests. Mostly products materials are selected from high quality powder alloy steel with the best materials to exploit market and most new materials, add reasonable process design through tempering, molding, qualitative, nitriding, fine grinding, polishing process of refining. So that the screw barrel has super-hard resistance wear, corrosion resistance, fracture resistance. In order to meet the needs of our customers, we company also provides product design, surveying and mapping, sample processing and repair manufacturing business. All of our products comply with international quality standards (ISO9001-2000). Since the establishment of the company, we are getting greatly appreciated and praise from new and old customers around the world. We will insist on the principle of quality, honest to customers, and provide our customers new information of the products and offer good quality products with good price.

Till now, our screw barrels have been exported to more than 40 countries all over the world, like USA, India, South Africa, Turkey, Russia and so on. We sincerely welcome customers to negotiate consultation and exchanges guidance. Your satisfaction is our eternal pursue and goal.