Screw material :38CrMoAl, stainless steel (316, 304, 9Cr18Ni9TA) Nitride layer depth: 0.5-0.8 mm Hardness of nitriding: not more than 2 Surface roughness: Ra 0.4 um Screw straightness: 0.015 mm Hardness of hard chrome plating after nitriding: >950HV
BOGDA Customised PET Extrusion Screw For Parallel Twin Extruder
Screw material :38CrMoAl, stainless steel (316, 304, 9Cr18Ni9TA)
Nitride layer depth: 0.5-0.8 mm
Hardness of nitriding: not more than 2
Surface roughness: Ra 0.4 um
Screw straightness: 0.015 mm
Hardness of hard chrome plating after nitriding: >950HV
2. Electroplating hard chromium layer
3. Spray corrosion-resistant and wear-resistant bimetal layer
win Screw Processing Technology
The raw material of the screw is 38CrMoAIA, the hardness is HB280-30, the surface plasma surfacing of nickel base alloy, the thickness of the alloy is 0.8-2.0mm, and the hardness is HRC55-65. After finishing, the whole product is nitriding, the nitriding depth is 0.5-0.8mm, and the surface hardness is HV900-1050.
Parallel Twin Screw Extrusion Barrel
The extrusion part of the barrel adopts the spray welding alloy process, the thickness of the alloy is 0.8-2.0mm, and the hardness is HRC55-65, which effectively prolongs the service life.
Screw Cooling Treatment
After the screw is processed, it can not be placed directly beside the screw. It should be cooled down slowly to maintain the temperature.
Packaging and shipping Requirement For BOGDA Customised PET Extrusion Screw For Parallel Twin Extruder
Screw and barrel to pack by steel frame, not to easy to be broken in shipping.
Also, can packed by plywood as you like.
|BOGDA Customised PET Extrusion Screw For Parallel Twin Extruder|
|Model||Screw Dia. (mm)||L/D||Speed (rpm)||Power (kw)||Output (kg/h)|
BOGDA Machinery Technology Co., Ltd is a leader of plastic machine and raw material, such as plastic profile/pipe/sheet/board extrusion equipment, waste PP/PE film/PET bottle washing recycling machine,recyclying production line, as well as plastic granulating line. Meanwhile, we are familiar with kinds of raw materials to help you choose the most suitable machine on best quality by economically.
BOGDA has different production factory and strong technical departments to study each customer's requirements until meeting final order. Serious sales and after-sale department to reply inquiry and solve problems for custom in 24 hours, which already exported machine and materials to Russia, Venezuela, Kazakhstan, Turkey, Brazil, Dubai, Philippine, Malaysia, Thailand, Vietnam, Poland, India and so on.
Fast response, good quality, best price and perfect service are our advantages and culture.
Q: Where can we get spare part?
A: We choose International Brand that customer can find it in everywhere, such as Siemens, Schneider, Omron, Delixi etc, or send parts by DHL, Fedex, TNT and other express.
Q: How can I help you when face some technical problem?
A: 24 hours by e-mail, message, calling. If problems happens need engineer we will arrange the closest or agent in local country, or send Chinese Engineers to solve in 2 weeks.
Q: How long is the guarantee?
A: 12 months since the first day customer operates (except wear parts).
Q: Any quality checking before shipment?
A: 100% confirm, run and test machines before shipment with quality certificate.
Q: Can I operate machine if don’t have experienced engineers?
A: (1) Short-time engineers to customer company (5-15days) (2) Year-time working as requirements
Q: How many electric, water, air need for the machines?
A: Technical department supply the whole layout for workshop details.