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HB Series Horizontal Boring Mills

Table Size: Up to 47.2″ x 55.1″

Max. Workpiece Weight: 11,000 lbs.

Up to 20 HP Motor

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Summit® Horizontal Boring Mills (HBMs) offer the perfect combination of affordability, efficiency and precision performance for metal machining. This horizontal milling machine is a versatile, durable, heavy-duty and user friendly machine tool that provides years of profitable, trouble-free operation. Summit Horizontal Boring Mills utilize the latest technologies to meet the ever increasing demand for greater productivity.

  • Precision hardened and ground bedways
  • Fully automatic lubrication system
  • Precision ground ballscrews w/ preloaded double nuts on X, W & Z axis
  • State of the art electrics with PLC control
  • Rapid traverse in all feed directions
  • Full steel telescoping way covers on X & W axis
  • Air power drawbar
  • Built-in rotary table – 360° – 6,600 lbs. capacity (HBM110)
  • Auxiliary rotary table (HB120, HB140, HB180)
  • Three/Four axis electronic DRO included (incorporated into the pendant display)
  • Hydraulic Clamping (X, Y & W axis)
Specifications HB120 HB140 HB180 HBM110 HBM110 H
Spindle
Diameter of spindle 5″ (125mm) 4.3″ (110mm)
Taper of spindle #50 NMT
Number of spindle speeds 12 Infinitely Variable
Spindle speed range 45-1500 RPM 20-1500 RPM
Travels
Vertical travel – Y axis 47″ 47″ 55″ 39.4″ 55.1″
Cross travel of table – X axis 47″ 55″ 70″ 63″ 70.8″
Saddle travel – W axis 31.5″ 43″ 47″ 49.2″ 55.1″
Spindle travel – Z axis N/A 16″ 21.6″
Number of feeds 12 Infinitely Variable
Feed range (X, Y & W) (FINE) .001-.0034 IPR (REG) 1.1-34.4 IPM .118 – 37.4 IPM
Feed range (Z axis) n/a .118-15.75 IPM
Rapid traverse (X, Y, & W) 113 IPM 110 IPM
Rapid traverse (Z axis) n/a 110 IPM
Table
Size of table 31.5″ x 43.25″ 31.5″ x 59″ 31.5″ x 39.4″ 47.2″ x 55.1″
Maximum weight of workpiece 2,640 lbs 3,100 lbs 4,400 lbs 5,500 lbs 11,000 lbs
Table height from floor 49″
Table T-slot Width .875″
Rotation N/A* Manual
Increment N/A*
Main Drive Motor: 10 HP 20 HP
Axis Feed Motor (XY & W) 3.9 HP
Spindle Feed Motor (Z) N/A 4 HP
Electrics: 220/440/3/60
Dimensions (LxWxH) 124″x134″x111″ 132″x146″x111″ 157″x169″x120″ 157″x169″x120″ 208″x161″x143″
Weight: (approximate) 17,160 lbs 18,840 lbs 23,100 lbs 27,500 lbs 32,500 lbs.
*Auxiliary Rotary Table 23.625″ x 23.625″ 31.5″ x 31.5″ N/A N/A
Summit Machine Tool
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Summit Machine Tool
518 N Indiana Ave
Oklahoma City, OK 73106

Toll Free: (800) 654-3262
Local: (405) 235-2075
Fax: (405) 232-5169
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