Film Blow Moulding Screw Barrel

Product Description

Film blow moulding screw barrel

We always believe that one's character determines his products' quality, and the details indicates products' quality. Under the guidance of E.J.S mission“Make your screw barrel business Easier with Joys and Success” , we're looking forward to receiving your inquiries now and the future for China High Quality Film Blow Moulding Screw Barrel.

Advanced equipment, excellent quality management, strong research and development capability make our price down. The price we are offering may not be the lowest, but we guarantee it is competitive! Welcome to contact us immediately to start up our business relationship and mutual success!

Exhibitions are a great place meeting many people at a certain period of time, EJS takes the opportunity and exhibites at selected shows such as Npe Plastics Show, do be free to come by and have a talk with our team!

Film is more used than we realize in our daily life, EJS has been producing Film blow moulding screw barrels since the very beginning, every year ton of screw barrels are produced for film blow machines nationally and internationally.

Bore diameter available for Film blow moulding screw barrel

¢45~¢250

Popular Materials used for Film blow moulding screw barrel

38CrMoAlA(1.8509)

34CrAlNi7(1.8550)

31CrMoV9(1.8519)

40Cr(4340)

42CrMo(4140)

Surface Treatment of Film blow moulding screw barrel

Full body nitrided

Stellite bimetallic alloy coated

Colmonoy 56 alloy coated

Colmonoy 83 alloy coated

Application of Film blow moulding screw barrel

Film blow moulding screw barrels are playing a superb job to produce various films in blow moulding machines such as

Packaging film;

Pouches;

Printing film;

Shrink film;

Food packaging film;

Converting film;

Barrier film.

Inspection of Film blow moulding screw barrel

At EJS, quality is always our top priority, each and every film blow moulding screw barrel is strictly made according to customers’ drawings and inspected several times at different stages, inferior quality screw barrels are not allowed to leave our factory for any reasons, no matter how urgent the customers need them.

How long can I expect to receive the Film blow moulding screw barrel after my purchase order is released?

The whole time consists of payment, drawing preparation, production, transportation, customs declaration.

The production lead-time is depending on the size, quantity, materials, surface treatment, timing of Film blow moulding screw barrel when we produce film blow moulding screw barrel. We always show the production lead-time at the offer. IF the order time is far away from offer date, the lead-time has to be re-checked with EJS sales representative.

About E.J.S.

EJS Screw Barrels is a newly created brand name for Export business with manufacturing experiences since 1992.
A screw barrel manufacturer dedicated on producing customized screw barrel and design extruder screw barrels, injection moulding screw barrels.

Bimetallic Screw Barrels

We started to make bimetallic screw barrel at a very early age, almost the same time as the first bimetallic barrel was born in China. Now we have several types for options depending on different applications

Bimetallic Barrels
Alloy Type		EJS01 Alloy	EJS02 Alloy	EJS03 Alloy	EJS04 Alloy
Alloy Components		Fe+Ni+Cr+B (Fe:65, Ni:14, Cr8, B:3.5)	Ni+Cr+Co+B	Ni+Cr+Co+V+B	Ni+Wc+Cr+B (Ni:50, Wc:15~35,Cr:6~8, B:2.5~3.2)
Wearing Resistance		★★★	★★	★★★	★★★★
Corrosion Resistance		★★	★★★	★★★	★★★
Alloy Thickness		2~3mm	1.5~2mm	1.5~2mm	1.5~2mm
Hardness		HRC 58-65	HRC 50-58	HRC 55-60	HRC 55-65
Temperature Range		≤400	≤450	≤450	≤600
Coefficient Thermal	RT~250℃	11.0x10-6	11.0x10-6	11.5x10-6	11.0x10-6
Expansion(/℃)	RT~400℃	11.4x10-6	11.4x10-6	12.4x10-6	12x10-6
Range of Workable Length		700mm~3000mm/piece
Base Steel Vastly Used		40Cr: 42CrMo
Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good

Bimetallic Screws
Suitable for	Single Screw, Twin Parallel Screw, Twin Conical Screw
Alloy Type	Ni60	CoImonoy 56	CoImonoy 83
Alloy Components	Ni+Cr+Fe+Si (Ni:65, Cr:17, Fe:15, Si:5)	Ni+Cr+Si+Fe (Ni: 68, Cr:18, Si:5, Fe:5)	Ni+Wc+Cr+C (Ni:40, Wc:34, Cr:20, C:2)
Anti-Wearing Level	★★★	★★★	★★★★
Anti-Corrosion Level	★★★★	★★★★	★★★★
Alloy Thickness	1~1.5mm	1~1.5mm	1~1.5mm
Hardness	HRC 56-62	HRC 46~61	HRC 43-48
Applied Glass Fiber	Under 10%
Range of Workable Length	Any length needed
Base Steel Vastly Used	38CrMoAI(1.8509), 34CrAINi7(1.8550), 31CrMoV9(1.8519)
Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good

Quality Inspection

Quality is a very important step during production. For making a quality screw barrel, all tolerances should be fulfilled and all dimensions should be correct and put in records.

We provide inspection report, material certificate for every of our supplied screw barrels.

Packaging

Packaging is the last but very important step before shipping. A strong and smart packing box is also part of our quality. It is not only used to protect the screws barrels well during transportation, also provide an easy way for our customer to unpack.