Estd. 1987

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Delhi ι Gurgaon

Cylindrical & Centreless Grinder / Cutter Grinder - AMT Centreless Grinding Machine

 

 

 

 


 

SALIENT FEATURES

MACHINE BED
• The machine bed is of one piece, close grained, graded cast iron.
• Box structure design, heavily reinforced with ribs, provides high rigidity and stability.

 

GRIDING WHEELPAD
• Girding wheel head of sturdy design is fixed to the machine bed
• Wheel head spindle is made of specially alloy steel, specially heat treated, ground and lapped to achieve high dimensional stability and long life
• Spindle runs in precision White metal bush bearings, which give every high accuracy and excellent surface finish to the work piece

 

REGULATING WHEEL HEAD
• Regulating wheel head is mounted on double slide and swivel plate arrangement
• Spindle specially heat treated, ground and lapped runs in oil immersed precision Anti Friction bearings to give high accuracy and true running
• D.C. Thyristor drive (Optional – A.C. variable drive) provided to get infinitely variable speed o regulating wheel/work piece. Optimum rpm of work piece can be set to
  achieve high production and good accuracies
• Regulating wheel head can be tilted in vertical plane to facilitate through feed girding

 

INFEED SYSTEM
• Wheel head spindle is made of special alloy steel, specially heart treated, ground and lapped to achieve high dimensional stability and long life.
• Spindle runs in precision White metal bush bearings, which give very high accuracy and excellent surface finish to the work piece.

 

INFEED SYSTEM
• In feed is imparted to the Regulating wheel slide through a hardened and ground feed screw, which ensures high positioning accuracy and repeatability
• Specially designed nut having backlash adjustment is provided.
• The upper slide moves the regulating wheel in relation to the work rest for easy job set up lower (feed) slide is used for feeding work to the girding wheel
• Work rest base is firmly screwed to the lower (feed) slide. Work blades can be adjusted in height on work base for different size of components

 

TAPER CORRECTION
• Regulating wheel can be swiveled in horizontal plane by the swivel plate, for fast and accurate taper correction and taper grinding

 

AUTOMATIC PLUNGE GRINDING CYCLE (OPTIONAL)
• Single lever operated Automatic Plunge and Traverse grinding cycles.
• Cycle operates as Work head & coolant ON-Rapid approach-Auto feed-Spark off-Rapid retraction and infeed hand wheel to starting position-Work head & Coolant
  OFF.
• Amount of infeed, infeed rate and spark off time are adjustable.s

 

DRESSING UNIT
• Separate hydraulic dressing units with infinitely variable dressing speeds provided for both Grinding and Regulating wheel is possible with special attachment
• Profile dressing of Grinding and Regulating wheel is possible with special attachment

 

HYDRAULIC / ELECTRICAL UNIT
• Hydraulic power pack unit housed outside the machine for easy maintenance
• All electrical mounted in a concise panel box. Centralized controls for operator’s convenience

 

LUBRICATION
• Centralized lubricationsystem provided for efficient and positive lubrication of moving parts

 

OPTIONAL
• Form dressing arrangement, Auto loading systems, Hydraulic ejector & Bar feeding arrangement

 

TECHNICAL DETAILS

   MODEL   HLC-100 HLC-100-5 HLC-150-s
   Grinding range (Dia.) mm 2 – 100 2 – 100 2 - 125
   Max. length in through feed grinding mm 220 220 270
   Grinding wheel size (d x w x d) mm 350 x 100 x 127 350 x 100 x 127

350 x 150 x 127

   Regulating wheel size (d x w x d) mm 230 x 100 x 76.2 230 x 100 x 76.2 230 x 150 x 76.2
   Regulating wheel speed (infinitely variable) rpm 20 – 200 20 – 200 20 – 130
      Swivel of Regulating wheel head in:
     - Horizontal plane for taper correction / Taper grinding
     - Vertical plane for Thrufeed Grinding
       
deg --    
deg ± 5    
   Grinding and Regulating Wheel Dresser   Hydraulic Hydraulic Hydraulic
   Swivel of Grinding and Regulating Wheel dresser deg ± 5 ± 5 ± 5
   Grinding Wheel motor power hp 7.5 7.5 10
   Regulating wheel motor power hp 1 1 1.5

 

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