Product Details

Screw design for pvc

Professional manufacturer for all sorts of injection machine screw barrel !

Specification for plastic injection molding screw :

Screw diameter: Φ20mm-Φ220mm

Mould clamping force:250T-3200T

Shot weight:30G-30000G

Steel Material	DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
Deepness of Nitriding Layer	0.7 mm -0.9 mm
Hardness of Nitriding	HV900 - HV1,000
Nitriding Brittleness	≤Grade 1
Chromate plating	Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment	Carbide coating on screw flight and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm

Quality Certificate:

•100%Quanlity Inspection

As the screw and barrel are the important parts for plastic extruders and injection molding machine,they affect the machine performance and quality directly,therefore,QunYing established quality control system strictly as ISO 9001:2008 International Quality System, our every production process is under strict inspection , Those provides solid foundation for our quality products!What we need to do is to make sure best quality of each screw and barrel.Till now,our screw and barrel has been sold to more than 40 countries in the world and enjoy a good reputation by our customers!

Technical parameter

Amount of injection	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
100-125	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

About us

QunYing Screw is leading supplier of SCREW and BARREL in china,including designing,manufacturing and sales for these products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Chende,Chenxiong,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY,Nippon Steel,Toshiba,Nissei,Mitsubishi,CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT and etc. We also can supply all types of screw and barrel according to your different requirements.

What is our advantage:

First:Cretive in designs,our desinging team is very strong,since we have unique culture to motivate them,in order to meet requirement,we work closely to our customer and market!

Second:We have 10 years’ experience of manufacturing varied screws, barrels and spares.We are keeping improving our production stytem day by day on the delievey,quality control,all the efforts have improved the customers satisfaction!

Third:We are located in China’s screw Town-Jintang,Town in zhoushan city,near to Ningbo Port and Shanghai Port!

Finally,We assure the customer benefits,we supply best quality and competitive price,also best customer service!