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Open Mill

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Open Mill  XK-660(26
Open Mill  XK-660(26
Open Mill  XK-660(26
Roller Diameterф660mm, Roller Length 2130mm, Open Mill XK-660(26')
Roller Diameterф660mm, Roller Length 2130mm, Open Mill XK-660(26')
Roller Diameterф660mm, Roller Length 2130mm, Open Mill XK-660(26')

Roller Diameterф660mm, Roller Length 2130mm, Open Mill XK-660(26')


Open mill is mainly used for rubber plasticizing、mixing、warming 、sheeting and other processes.

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Product Introduction

This series of open mill is general type, with applications of rubber plasticizing, mixing, warming, sheeting and etc for rubber plant. This open mill is equipped with DC,AC and variable frequency motor. And the speed of roller can have many options, such as constant speed, variable speed, constant ratio and variable ratio.The rolls are made of chilled alloy cast iron, the cooling type is periphery drilled or cored type. Reducer has full hard tooth surface. It is connected to rolls by universal coupling which is easy to nip adjusting.Nip adjustment has three modes: manual, electric or hydraulic modes which can be chosen by customers. Stock guide plate has three modes: fixed,axially adjustable, or overturned modes. Meanwhile, the customers can choose stock blender, cutter device and etc for different technology requirements. This series of open mill has many models, full parts and high configuration, which is perfectly combined with inner quality and outer appearance, and is a good choice for mid-end and high-end customers.

Technical Specifications

Main Technical Parameter of Open Mill Series

ModelXK-160(6')XK-200(8')XK-250(10')XK-300(12')XK-360(14')XK-400(16')XK-450(18')
Working diameter of roller (mm)ф160ф200ф250ф300ф360ф400ф450
Working length of roller (mm)32045062070092010001200
The max working speed of front roller (m/min)~16~16~16~19~19~19~22
Friction ratio of front and rear rollers   
Single batch or capacity (Kg)2~3.58~1010~1515~2020~2525~3030~50
Main MotorSingle motor power(kw)2230374555
Double motor power(kw)4x27.5x211x215x222x222x230x2
Rotational speed (r/min)1500150010001000100010001000
Electric nip adjustment(Motor Kw)0.25x20.37x20.37x20.37x2
Hydraulic nip adjustment  Protective pressure( MPa)22.619.125.5
Stock blender(( chosen by customers)
Working diameter and length of draw roller(mm)ф240/1200
Linear speed of draw roller(m/min)2.63-26.3
Power of draw roller (KW)3
Swing period S17
Swing amplitude of swing roller (mm)750
Overall dimensions(For your reference)Length(mm)~1350~1500~3300~3400~3800~4100~4200
Width(mm)~900~1000~2100~2200~2200~2300~2600
Height(mm)~1400~1400~1900~1900~2000~2100~2100
Total weight of equipment(t)~1.5~2.5~6~7~9.5~12~15


ModelXK-550(22')XK-610(24')XK-660(26')XK-710(28')XK-760(30')XK-810(32')
Working diameter of roller (mm)ф550ф610ф660ф710ф760ф810
Working length of roller (mm)150018002130220025002540
The max working speed of front roller (m/min)~25~30~30~32~32~35
Friction ratio of front and rear rollers  1:1.05~1:1.3According to customer process selection (or 0.7-1.3 Adjustable)
Single batch or capacity (Kg)60~9090~120180~230230~320250~400350~400
Main MotorSingle motor power(kw)132185250315400500
Double motor power(kw)75x290x2132x2160x2200x2250x2
Double motor power(kw)100010001000100010001000
Double motor power(kw)0.37x20.37x20.37x20.55x20.55x20.55x2
Hydraulic nip adjustment  Protective pressure( MPa)22.424.525.5252525
Stock blender(( chosen by customers)
Working diameter and length of draw roller(mm)ф292/1500ф292/1800ф292/2130ф320/2200ф320/2500ф320/2540
Linear speed of draw roller(m/min)                                                 3.93-39.33.93-39.33.93-39.34.3-434.3-434.3-43
Power of draw roller (KW)45.55.57.57.57.5
Swing period S232325262727
 Swing amplitude of swing roller (mm)110014001500155017001700
Overall dimensions(For your reference)Length(mm)~5500~5800~6500~7200~7600~7700
Width(mm)~3300~3380~3700~3850~4200~4600
Height(mm)~2300~2300~2400~2600~2700~2900
Total weight of equipment(t)~27~35~42~50~65~80

Basic configuration selection

Main motor and drive mode□Single AC motor, soft start/ □Single AC variable frequency drive / □Double AC variable frequency drive
Roller typeFront roller□Periphery drilled and smooth rollers/□Hollow and smooth rollers/ □Hollow groove roller
Rear roller□Periphery drilled and smooth rollers/□ Hollow and smooth rollers/□Hollow groove roller
Speed ratio of front and rear roller□1:1.05/ □1:1.06/ □1:1.07/ □1:1.09/ □1:1.1/□1:1.13/□1:1.15/□1:1.24 or other speed ratio/ □speed ratio adjustable(0.7-1.3)
Installation method□Stone bolt/□ Variation iron
Base type□Split welding structure/ □Welded combined integral base
Nip adjustment□Manual nip adjustment/ □Electrical nip adjustment / □Hydraulic nip adjustment
Stock guide□Fixed type/□ Turn-over type/□ Hydraulic axial adjustable type/□ Hydraulic axial adjustable type+Turn-over type
Cutter device□Manual straight handle type/ □Pneumatic straight handle type /□ Pneumatic disc type/ Hidden type
Brake device□Pneumatic power-off brake/ □Electrical-hydraulic power off brake
Emergency stop device□Front and rear safety pull ropes  /□ Front and rear safety push and pull rods/ □Kick emergency stop device/ □Front and rear four emergency stop buttons /□ Front and rear safety photoelectric devices
Stock pan□welded stainless steel structure/□ Drawer
Gear box□Harden surface gear box
Stock blender□Electric screw swing type/□ Five fingers stock blender/ □Simple five fingers stock blender/□ Hydraulic swing type
Drive model□Left driving/□ Right driving
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