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Uttam Rubtech Machinery(P)LtdUttam Rubtech Machinery(P)Ltd

Uttam Rubtech Machinery(P)LtdUttam Rubtech Machinery(P)Ltd

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Home   Cracker Mill

Cracker Mill

Cracker mills are very essential machines for manufacturing Crumb Rubber Powder from Scrap rubber parts, tire, tube, flap, sheets, etc. The applications of cracker mills involves for breaking rubber pieces into very small rubber pieces depending upon nip opening. The rolls of these crackers are engineered using superior grade of Chilled Cast Iron to guarantee wear-resistant hard surface. All these mills are equipped with Anti friction roller bearings and give high output at lower operating cost.


  • Crumb Rubber Powder Manufacturing.
  • Reclaim Rubber Manufacturing.


  • High efficiency and lower operating cost.
  • Robust construction.
  • Simple & Easy Handling.
  • No Deep Foundation Required.
  • Compact Construction, maximum Floor Utilization.
  • Grease Lubrication system. Now no continuous Lubrication required which saves lubrication cost.
  • Equipped with Anti Friction Bearings so No wear & tear as in Bush Bearing type Machines.
  • These Machines are Available in both Bull Gear Drive Model and Uni Drive Model.

Cracker Mill
Cracker Mill
Bull Gear Bull Gear


Designing Specifications

Rolls : Alloy Chilled Cast Iron rolls having grooved teeth and surface hardness 510 ~ 550 BHN. The Rolls are mirror finished & polished, duly grinded and are hollowed for cooling.

Roll Clearance Adjusting Unit : NIP adjustment at two roller ends is done manually using two separate screws attached to the bearing housing body.

Roll Bearings : Anti Friction Roller Bearings fitted in sealed bearing housings which Saves power bills 20% ~ 25% compared to Bronze Bush Bearing machines.

Stand Frame & Apron (Cap): Heavy duty Steel Casting accurately machined for fitment of auxiliary equipments, confirms consistent accuracy and alignments.

Gearbox : Helical reduction gearbox of Premium (Greaves)/ Shanti make of suitable safety factor.

Base Frame : Common base frame heavy duty, Steel Beams and MS plate fabricated accurately machined on which whole machine with Gearbox and motor are fitted. No deep foundation required.

Electric Control Panel : Star Delta Electric operating panel with Voltmeter, Ampere meter Overload protection relay, 3 Phase Indicator and Emergency Stop Switch.

Technical Specifications

Model Chilled Rolls Barrel Dimensions Process Capacity Per Batch Required Motor
Dia Front Dia Rear Length kg/hr HP
URM-CRM-1 16" 18" 24" Continuous 350 ~ 500 100
URM-CRM-2 18" 22" 30" Continuous 500 ~ 650 125
URM-CRM-3 21" 24" 36" Continuous 700 ~ 850 150
URM-CRM-4 24" 24" 36" Continuous 1000 ~ 1200 200

Uttam also offers Automation System for Cracker Mill as per the size of the machine.

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