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HBMC-4 CNC Horizontal Boring Mills

Table Size: 39.4″ x 39.4″

Max. Table Load: 6,600 lbs.

30 HP Motor

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Summit® Horizontal Boring Mills (HBMs) offer efficiency and precision at a cost effective price.  This heavy-duty horizontal boring machine is a versatile, durable, and user friendly machine tool that provides years of profitable, trouble-free operation. Summit Horizontal Boring Mills utilize the latest technologies to ensure high performance to meet the ever increasing demands for greater productivity. The Summit HBMC4-CNC features a complete FANUC System – FANUC Oi Control, Drives and Servos. This creates a user-friendly environment with extreme reliability, making the system maintenance friendly. Other features include a large part program capacity, high speed ethernet, advanced interpolation modes, reduced cycle times and digital servo technology. With an overall quality production system, Summit HBMC’s offer higher production for greater profit.

  • Hydraulic tool clamping
  • Automatic lubrication system
  • Hardened and precision ground ways (HRC 50-58)
  • Telescoping Steel Way Covers On Horizontal Ways
  • Ball screws on X, Y, W & Z axis
  • 360 table index positions
  • Coolant System
  • Screw Type Chip Conveyor
  • Spindle Oil Chiller
  • Portable MPG Handwheel
  • FANUC Oi Control Is Standard
FANUC Oi Control Features
  • Full 4 Axis Simultaneous Movement
  • User Friendly Environment
  • Large Parts Program Capacity
  • High Speed Ethernet
  • Advanced Interpolation Modes
  • Reduced Cycle Times
  • Simple Part Programming & Operation
  • Extreme Reliability – Maintenance Friendly
  • Higher Performance For Greater Profit
  • Complete Fanuc System – Control, Drives & Servos
  • Digital Servo Technology
Specifications HBMC-4
Diameter of spindle 4.3″
Taper of spindle Cat50
Number of spindle speeds (2 programmable steps) Infinitely variable
Spindle speed range 5-2500 RPM
Spindle nose to table center -6.8″ – 58″
Center line of spindle to table top 0 – 55″
Headstock, Vertical (Y axis) 55″
Table, Cross (X axis) 78.75″
Saddle, Longitudinal (W axis) 45.2″
Spindle (Z axis) 19.6″
Number of feeds Infinitely variable
Range of feeds (X, Y, W axis) 0.4 – 236 IPM
Range of feeds (Z axis) 0.4 – 196 IPM
Rapid traverse (X, W axis) 590 IPM
Rapid traverse (Y axis) 472 IPM
Rapid traverse (Z axis) 196 IPM
Rotary Table
Dimensions 39.4″ X 39.4″
Table index positions 360
Incrementals 1 degree
T-slot width .875″
Max table load: 6,600 lbs.
Main spindle motor 30 HP
Electrics 220/3/60
Servo linear axis feed motor (X, W, Z axis) 9.3 HP
Servo linear axis feed motor (Y axis) 8 HP
Servo axis feed motor (B axis) 5.4 HP
Dimensions (L x W x H) 193″ X 200″ X 142″
Machine weight 39,600 lbs.


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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