Waterproof Sheet Coil Die Series

Waterproof Sheet Coil Die Series

8 meters waterproof sheet coil die

PVC, EVA, PE new type of waterproof material have high performance of anti-permeability, water-proofness, thermo-stability and cryogenic property, high strength and elongation and have the characteristic of aging resistance, are widely used for waterproof in building roof of industry and civil construction,underground, tunnel, artificial lake, etc.

CharacteristicsQ?/p>

?CAD of manifold making the material distributing uniformly and realize the wide products.

?The lengthening die lip improved the uniform orientation, reduced the expansion of die, highly improved the reaction of regulating.

?Line of intersection for curve formed on the joint between the center manifold of die chamber and die lip can improve the flow of side directions and distributing.

?Micro-adjustable upper die lip and changeable lower die lip for producing different thicknessQ?-4mm, the maximum is 10mmQ?

?With the function of restrictor bar adjusting and be suitable for the extrusion of different materials and thickness.

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PVC free foamed sheet die

PVC free foamed sheet die

Special cloth-hanger manifold designing to relieve most ablation during material extrusion process. The up lip adjustable and bottom lip replaceable.Equipped with vertical restrictor bar adjustment and oil temperature control on the die lip to meet different thickness request for production.It is applied for thickness 2-20mm PVC foamed sheet.

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PVC Semi-skinning foamed board die

PVC Semi-skinning foamed board die

Up-down die lips and main body are whole body designing,whole manifold without gap designing,and tipped cooling lips equipped on exit of die.Up lip is with specially designed push-pull elastic fine adjustable structure for PVC foam board die,reasonable screw gap designing to ensure precision adjustment.At the same time meeting function of partial adjustable die lip exit gap.It is applied for thickness 3-25mm PVC semi-skinning foamed sheet.

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PVC co-extrusion foamed die

PVC co-extrusion foamed die

Special cloth-hanger manifold designing to relieve most ablation during material extrusion process.Applied with newest non-restrictor bar and without active lip designing.Die lip is applied with push-pull soft fine adjustment to meet different thickness request for production.Feed block used the newest PVC special co-extrusion model for PVC skin foamed board with thickness 5-18mm.

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PVC double manifold foamed board die

PVC double manifold foamed board die

Special cloth-hanger manifold designing to relieve most ablation during material extrusion process.The up lip adjustable and bottom lip replaceable.To meet different thickness request for production.It is applied for thickness 12-35mm PVC skin foamed sheet.

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Hollow Cross Section Plate Die Series

Hollow Cross Section Plate Die Series

PC hollow plate used widely in constructions and decorations.The hollow grid plate die and feedblock can make UV protection on both sides.The final production with a max width of 2100mm and have a high impact strengh, good weather resistance and UV protection.With adjustable upper and lower mold lips, production thickness relative errors can be controlled within 3%.

Different design can meet the different requirements of products, general polycarbonate hollow plate whose thickness is between 4-25mm, multi-layers plate such as H-cross section, X-cross section etc, the thickness of some can reach 36mm, and the UV layer can be coated.The PP, PE hollow grid plate produced by special dies are light weighted, 

dampproof and have a high impact strength, which is widely used as advertising light panel, exhibition upholster, carry box etc.The thickness-range is 2-12mm and the width is 1200-2200mm.

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Film Die Series

Film Die Series

Auto-casting Film Die series

The die head adopts an extension V shape water-drop type flow channel,with the shunt technology and special triangle stabilize structure. To composite layer and improve the precision of the extrusion process to eliminate 'M' shape and 'W' shape flow patterns effectively. The upper die lip using push-off type manual fine-tuning + automatic fine-tuning one-piece die lip, manual adjustment range is u1mm, automatic adjustment range u300um; About the automatic die lip adjustment control parts ,we use currently very advanced fully closed loop control system and the automatic gauging system makes the product thickness inu2% precisely, on-line thickness gauge is automatic continuous detecting scanning frequently, can shows the very real-time accurate thickness tolerance of the products. Through computer program processing the data, feedback to special die lip adjusting bolt thermal expansion, and to realize the opening of the die lip thickness for automatic fine-tuning, fast and effective control product thickness precisely. And we have good die head scalability, according to customers' needs , matching with different "inside blocking type width adjusting device" or "the outer blocking type width adjusting device", be better satisfied customer's needs to more efficient production.

The die head suits for production under 5000mm,thickness between 0.06-0.18 mm CPP, PE, EVA, PVC, PET, PVB, PA, single-layer or multilayer films.

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Die For U Type Lock-catch Hollow Sheet

Die For U Type Lock-catch Hollow Sheet

PC U Type Lock-catch Sheet is an advanced construction system. It uses free movement connecting components to link in between PC hollow sheet thus prevent shape changing during extreme weather conditions. The vertical lock-catch design ensure 100% water-proof and no dust can go inside. The convenient assembling system helps to increase installation efficiency especially for both flat and curved building roofs. 


Jwell U Type Lock-catch Hollow DieQproduce sheet with thickness from 4-40mm, width between 600-1050mm. We use Polylow software to simulates the liquid polymer flow inside the hollow dies, our unique design make sure there is no polymer leakage in different hollow layers, The Stainless steel heater used inside the die are independently controlled which allows accurate temperate adjustment can be within u1? The Calibrator is equipped with independent vacuum exhaust system and temperature controlQ?with vacuum seal elements applied this make sure cold air-flow can be equally separated very fast hence more smooth surface of the sheet can be formed

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Biaxially Oriented Die

Biaxially Oriented Die

The die is crucial part of the biaxially oriented cast sheet, directly decided to cast sheet shape and thickness uniformity. This biaxially oriented casting sheet die adopt coat hanger flow channel design, and equip with professional computer fluid analysis software, Flow channel CFD analysis and optimization, to obtain the best fluid parameters. Die openings adjustment adopts the push-pull type automatic die lip adjustmentQthrough online thickness gauge of the thickness of the detected data through computer program processing after feedback to the special die lip thermal expansion regulating bolts, for the opening of the die lip thickness automatic fine-tuning, effective control of product precision. This die applicable for: BOPP, BOPS, BOPA, BOPET, BOPI products etc. 


The die lip straightness, roughness and the size of the lip sharp angle is direct impact on the quality of products. After experiments and repeated demonstration, using short-wave pulse local hardening treatment can be effective in improving the quality of the die. so that hardened surface hardness, microstructure refinement, wear resistance superior to conventional quenching process. The die lip straightness and abrasion resistance is better.

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Die Used For Precison Slot Coating Field

Die Used For Precison Slot Coating Field

Slot coating die can produce very thin and transparent optical coating layer. Meanwhile it can make the coating weight keep the very accurate tolerance range, it is different with the system which the coating fluid wiped on the base materials, our slot coating die is the die which die lip slot is relatively bigger( it can reach 0.0762mm). The coating fluid layer sucted from this die lip can be as thin as 1 μm. 

The slot coating die can control the coating weight tolerance in 5% in the whole width when the coating layer is only 0.002mm or 2 μm. The slot die lip we manufacture is fixed so that it can control the coating layer thickness and width by using the replaceable shims. The coating layer thickness can be from less than 1 μm to 254 μm. This kind of slot die can make different kinds of adhesive (include the special transparent adhesive) battery, ceramic capacitor, decorate surface, Electronic display medium,filtering film, floor board, fuel battery, Magnetic mud,medical product, photoresist, pressure sensitive tape,solar battery,superconductor ,tear tape and film which used in the window.

As China's biggest extrusion equipment manufacturers,we will provide you a whole set standard services with die clean, examination, repair, upgrade, renovate and so on?/p>

Renovates the die each technical specification after JWELL can achieve or very close to the initial standard, we may meet this requirements similarly regarding the non-JWELL production's die.

Every need to repair the die we will strictly according to the following stepsQ?/strong>

1、The die remove, cleaning

2、Inspection, evaluation, and communicate with customer requirements for renovation

3、Faded except the original chromium plating

4、Repair damaged surface defects or change the defects in design

5、Replace damaged parts

6、Repairing mold body joints

7、The mold flow channel to polish

8、Reassemble the die

9、Proofreading technical specificationWe provide for you will be a whole set specialized flow type work, the range of service covering general maintenance and completely renovated.

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