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Qingdao Qishengyuan Mechanical Manufacturing Co., Ltd.

Mixing Machine, Mixer, Milling Machine manufacturer / supplier in China, offering Open Rubber Mixing Mill of Two Roll Mill Qingdao Supplier, Automatic Line for Recycling Waste Tire to Rubber Powder, Tire Cutter/Tyre Cutting Machine Used Tire Recycling Machinery and so on.

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Open Rubber Mixing Mill of Two Roll Mill Qingdao Supplier

Purchase Qty.:
1 2+
FOB Unit Price: US $9,800 US $9,500
Purchase Qty. (Sets) FOB Unit Price
1 US $9,800
2+ US $9,500
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Port: Qingdao, China
Production Capacity: 35 Sets/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: xk-400
  • Control Type: PLC
  • Power Source: Electric
  • Open Rubber Mixing Mill in Qingdao / Two: We Guarantee 2 Years.
  • The Noise Is Small: Safety Device:Button, Mechanuical Clutch
  • Trademark: QSY
  • Specification: CE/ISO9001
  • HS Code: 84778000
  • Warranty: 2 Years
  • Automatic Grade: Automatic
  • Type: Open Mixing Mill
  • Mixing Speed Is Fast: 3-6′ One Time.
  • Mixing Evenly: Save Electricity
  • Transport Package: in Bulk
  • Origin: Qingdao China
Product Description

                                    Open Rubber Mixing Mill  of Two Roll Mill Qingdao Supplier

Machine Overview:
Two roll Mixing Mills are designed to ensure perfect and uniform blending of natural and synthetic rubber with other raw materials. These mills provide uniform mixing of the material to the desired level. Most of the mixing mills are driven by electronic motor and different models have different output

Main features:
Roll bearing
Two rigid pillars with removable tops carry the rolls, which are placed either in friction/bush bearings or high quality anti-friction roller bearings. Roller bearings are pretty much standard nowadays, as they allow for 20 - 30 % in power-savings. A lubrication system is no longer required.
Roll nip setting

Adjustment of the front roll used to be made by hand (manual by ratchet) or later motorized by worm gear.
Nowadays hydraulic pistons adjust the rolls and also protect rolls from high forces that can build up in between the rolls (roll safety). They also open roll gap immediately when pushing the safety bar in front or back in case of emergency (required by European Safety standards CE).

A mixing mill has 2 horizontal rolls set up back to back. They are made of ground chilled cast iron, with surface hardness ranging from 475 - 520 HV (Vickers hardness) up to 520 - 580 HV (or 68 - 72 HSD). The depth of hardened layer ranges from 10 to 16 mm.
Rolls are made with a central bore for cooling through a spray-type lance (low cost type cooling) or peripheral drills, where bores are closer to the surface for better cooling and more equal distribution.
The rotary joints connected to the spraying lance are supplied from tempering units to provide constant temperature during the mixing process.
Material Guides or Compound guides
At the ends of the roll faces the roll nip is being limited by the compound guide cheeks. The compound guide cheeks of split design with "centre tongue" avoid lateral escape of compound from the working area in any case.
The standard drive provides fixed speed and fixed friction ratio. The front roll typically runs slower than the back roll. Depending on the compound mixed the friction can range from 1:1.1 for a standard mixing mill, 1:1.25 for silicone or plastics mills, 1:1.8 for breaker mills for new rubber, 1:2.5 for refiner mills with narrow gap of 0.05 mm, up to 1:3.2 for breaker mills for old rubber. A variable speed motor on each roll is required for infinitely variable friction ratio.
Technical Parameters








Roll diameter(mm)







Working length(mm)







Main motor power(kw)







Reducer speed box

Hardened gear

Type of drive

Cardan shaft

Machines pcitures show:
Open Rubber Mixing Mill of Two Roll Mill Qingdao SupplierOpen Rubber Mixing Mill of Two Roll Mill Qingdao SupplierOpen Rubber Mixing Mill of Two Roll Mill Qingdao Supplier

Open Rubber Mixing Mill of Two Roll Mill Qingdao SupplierOpen Rubber Mixing Mill of Two Roll Mill Qingdao SupplierOpen Rubber Mixing Mill of Two Roll Mill Qingdao Supplier


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