Two Roll Lab Mixing Mill Size: 6 X 13 Inch

Product Overview
The equipment is a heavy-duty, precision-engineered two-roll processing mill designed for reliable and continuous operation in rubber and plastic processing applications. It features surface-hardened hollow rolls with controlled heating and cooling, robust cast iron housings,
accurate roll gap adjustment, and a rigid fabricated base for stable installation.

Standard Equipment & Construction Details
 

Roll Assembly

• Front Roll
  • Diameter: 152.4 mm (6”)
  • Face Length: 330 mm (13”)
  • Material: Chilled cast iron / alloy steel
  • Construction: Surface hardened, hollow cored
  • Fitted with rotary pressure joint for circulation of heating/cooling medium
• Rear Roll
  • Diameter: 152.4 mm (6”)
  • Face Length: 330 mm (13”)
  • Material: Chilled cast iron / alloy steel
  • Construction: Surface hardened, hollow cored
  • Fitted with rotary pressure joint for circulation of heating/cooling medium

Housing & Stands

• Roll Housings
  • Quantity: 4 nos.
  • Material: Cast iron
  • Bearings: Antifriction roller bearings
  • Lubrication: Grease-packed
  • Sealing: Leak-free seals for long service life
• Stands
  • Quantity: 2 nos.
  • Construction: Cast iron / steel fabrication
  • Treatment: Stress-relieved
  • Machining: Accurately machined for proper housing alignment

Roll Gap Adjustment System

• Type: Hand wheel operated
• Applicable to: Front roll housings
• Working Range: Up to 8 mm
• Mechanism:
  • Two sets of worm and wheel
  • Engagable common shaft
  • Threaded spindles for synchronized movement of front roll housings

Drive & Transmission System

• Main Drive Motor
  • Power: 7.5 HP
  • Speed: 1000 RPM
  • Supply: 415 V, 50 Hz, 3-Phase
  • Enclosure: TEFC
  • Type: Squirrel cage induction motor
• Roll Speeds
  • Front Roll Speed: 22.85 RPM
  • Rear Roll Speed: 32 RPM
• Friction Ratio
  • 1 : 1.4
• Transmission
  • Worm reduction unit directly coupled to rear roll
  • Connecting gears provided for roll-to-roll transmission

Electrical & Control System

• Push button operated control panel
• Direct-On-Line (DOL) starter for main motor
• Operating modes:
  • Inch
  • Continuous
• Provision for roll reversal during emergency stop
• Separate DOL starter for auxiliary motor(s), if applicable

Mill Base

• Heavy-duty steel fabrication
• Designed for anchor bolt foundation mounting
• Ensures rigidity and vibration-free operation

Standard Accessories Supplied

• Gear guards – 1 set
• Hinged type guides – 2 sets
• Shoe type electromagnetic brake – 1 no.
• Emergency stop cradle – 1 no.

Temperature Control

• Water Temperature Control Unit provided
• Maintains consistent roll temperature during operation

Overall Dimensions & Weight

• Length (L–R) : 1900 mm
• Width (F–B) : 1300 mm
• Height : 1800 mm
• Approx. Weight : 1600 kg