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VHM Series

Vertical Honing Machines
Precihole Vertical Honing Machine

Precihole’s Vertical honing machines are next gen solutions that provide state of the art features and world class performance while providing the best value in the industry. They are designed to hone holes from Ø5 mm(0.2") to Ø50 mm (2") and part lengths of upto 1500 mm (60") long. Precihole has combined 30+ yrs of deep hole drilling and hole finishing machine development experience into these solutions. They are complete solutions comprising of machine, tooling, tooling accessories and honing oil suited perfectly for gun barrel honing.

Machine Features
  • All electric servo motors for linear motion, spindle rotation  and tool expansion
  • Precision manufactured vertical column to support single or multiple spindles
  • Operator friendly self learning controls with custom screens
  • Five micron fine coolant filtration systems with oil chilling and magnetic separator for optimal performance
  • Optional air gauging systems for automatic size control
  • Quick change liner indexing table and part loading fixtures
  • Double expansion technologies for larger diameter holes
Description VHM20 VHM40
Honing Diameter Range (mm) Ø8 - Ø20 Ø20 - Ø40
Spindles (nos.) 1 / 2
Max. Honing Depth (mm) 1200 2500
Part OD Range (mm) 15 - 60 40 - 100
Clamping System Special Fixturing
Max. Component Weight (kg) 40 100
Hone Feed Range (m/min) 10 - 30
Power Per Spindle (kW) 1.5 2.2
Spindle Speed (rpm) 10 - 500
Coolant Tank Capacity (liters) 600 1000
Description VHM20 VHM40
Honing Diameter Range (in) Ø0.3 - Ø0.78 Ø0.78 - Ø1.57
Spindles (nos.) 1 / 2
Max. Honing Depth (in) 48 100
Part OD Range (in) 0.59 - 2.36 1.57 - 4
Clamping System Special Fixturing
Max. Component Weight (lbs) 89 220
Hone Feed Range (ft/min) 3.5 - 12.5
Power Per Spindle (hp) 2 3
Spindle Speed (rpm) 10 - 500
Coolant Tank Capacity (gal) 160 265
Description VHM20 VHM50
Honing Diameter Range (mm) Ø5 - Ø20 Ø10 - Ø50
Spindles (nos.) 1 / 2
Max. Honing Depth (mm) 1500
Part OD Range (mm) 15 - 60 20 - 100
Max. Part Weight (kg) 40 100
Stroking Speed (m/min) 10 - 30
Spindle Speed (rpm) 10 - 1500 10 - 800
Description VHM20 VHM50
Honing Diameter Range (in) Ø0.2 - Ø0.78 Ø0.4 - Ø2
Spindles (nos.) 1 / 2
Max. Honing Depth (in) 60
Part OD Range (in) 0.59 - 2.36 0.78 - 4
Max. Part Weight (lbs) 89 220
Storking Speed (ft/min) 33 - 100
Spindle Speed (rpm) 10 - 1500 10 - 800