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  Tapping
    Automatic Tapping Machines: Prewo is among the leading tapping machine manufacturers, suppliers and exporters.

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Automatic Tapping Machines
Automatic Tapping Machine Horizontal Tapping Machine Tapping Machine with Multi Spindle Heads

The Prewo range of bench tapping machines are equipped with special bearings, rugged custom designed motors and reliable branded electrical parts for economical high precision production tapping. Prewo tapping machines can be fitted with Multi-Spindle Heads designed as per your requirement. Adjustable Multi-Spindle Heads can also be fiited to allow variations of pitch circle diameter within specified ranges. Prewo precision tapping machine is renowned in India for its high quality.

  • The machine is tested for accuracy and conforms to Indian Standard IS : 2426.
  • Spindle, shafts and gears are made of high grade alloy steel, carburised, case hardened and precision ground.
  • Columns are made of medium carbon steel.
  • Wide range of selectable spindle speeds depending on the component to be tapped.
  • Speed controlled by pulley drive.
  • Accurate tapping of a wide range of materials including aluminium and steel.
  • Special anti-corrosive paint.
  • Repeat and single cycle.
Optional Accessories
Pitch gears for different pitches
 
Pneumatic operated Indexing fixture
Standard tap holder with one no. of collet
Hydraulically operated Indexing fixture
Floating tap holder with one no. of collet
Production table (Sp. Cast Iron table)
Collets of different sizes
Coolant system
Multi-spindle head
Coolant system with magnetic separator
L.H. conversion kit
Swarf tray
Hand operated sliding fixture
Splash guard
Hand operated indexing fixture
Floor tray
Fabricated stand
Special column, Base
 
Technical Specification
MODEL 14-03 14-04 14-05 14-06
Tapping capacity (in Steel) Upto M4x0.7P M5x0.8P - M8x1.25P M8x1.25P - M16x2P M10x1.5P - M30x3.5P
Max.spindle stroke (mm) 28 45 65 65
Max.No. of strokes/min 80 50 20 8
Main motor Power (kw) 0.37 0.75 1.12 1.5
Spindle speed (rpm) 1670, 835 1340, 760, 420 515, 285, 155 200, 100, 50
Nett weight (kg) 70 100 220 250
Accessories
Tap Holder Tap holder with 1 no. rubber collet Tap holder with 1 no. rubber collet Floating tap holder with 1 no.steel collet / adaptors Floating tap holder with 1 no.steel collet / adaptors
Standard Tapping(mm) 0.25, 0.3, 0.35, 0.4
0.45, 0.5, 0.6, 0.65,
0.7, 0.8
0.25, 0.3, 0.35, 0.4,
0.45, 0.5, 0.6, 0.65,
0.7, 0.75, 0.8, 0.9,
1.0, 1.25, 1.5, 1.7
0.8, 0.9, 1.0, 1.25,
1.5, 1.75, 1.8, 2.0,
2.5, 3.0
1.5, 1.75, 1.8, 2.0,
2.5, 3.0, 3.5, 4.0
Pitches 100,96,90,80,72,
64, 56, 48, 44,40, 36, 32, 28, 24, 20
100,96, 90, 80,72, 64, 56, 48, 44, 40, 36, 32, 28, 27, 24, 20, 18, 16 32, 28, 27, 24, 20, 19, 18, 16, 14, 13, 12, 11.5, 11, 10 16, 14, 13, 12, 11, 10, 9, 8, 7, 6