HTM Series Horizontal Boring Mill

Summit HTM4 Horizontal Boring Mill

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Whenever metal must be machined efficiently and with precision, Summit Horizontal Boring Mills provide a cost effective solution. Summit's series of HBM's incorporate many advanced construction features, utilizing the latest technologies to ensure high performance and to meet the ever increasing demand for greater productivity.

The Summit Models HTM 4 & 5 contain more standard features than any comparable models on the market. Summit HBM's are versatile, durable, heavy-duty, and user friendly machine tools that will provide you years of profitable trouble free operation.

Key Features:

  • Precision hardened and ground solid bedways.
  • Fully automatic lubrication system.
  • Precision ground ballscrews w/ preloaded double nuts on all axis.
  • State of the art PLC, electrics & hydraulics.
  • Rapid traverse in all feed directions.
  • Full steel telescoping way covers on horizontal axis.
  • Bellville washer tool clamping with hydraulic unclamping.
  • Built-in rotary table - 360° - 13,000 lbs. capacity. Rotary encoder ready.
  • Four axis electronic DRO included (built into the pendant display).
Specifications: HTM4 HTM5
Spindle:    
  Diameter of spindle 4 1/8" 4 15/16"
  Taper of spindle #50 #50
  Number of spindle speeds 18 Inf. Variable
  Spindle speed range 16-1600 RPM 5-2000 RPM
Travels:    
  Spindle travel – z axis 27 1/2" 31 ½"
  Vertical travel – y axis 70.8"  63"/78"
  Cross travel of table – x axis 82" 86"/98"
  Saddle travel – w axis 63" 65"
  Number of feeds 16 16
  Feed range .001 - .189 IPR .001 - .189 IPM
  Rapid traverse in all directions 98 IPM 98 IPM
Rotary Table:    
  Positioning only 360 degrees 360 degrees
  Size of table 55" x 63" 55" x 63"
  Maximum weight of workpiece 13,000 lbs. 13,000 lbs.
Main Drive Motor: 20HP 30 HP
Electrics: 220/440/3/60 220/440/3/60
Dimensions (LxWxH): 233"x183"x170" 226"x182"x192"
Weight: (approximate) 42,900 lbs. 46,000 lbs.