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Kitai Sangyo · Gear manufacturing

Precision small-gear machines for motors, reducers, automotive & instruments

Kitai Sangyo is a specialist in small-gear production technology — CNC gear hobbing, gear shaping, hob & cutter sharpening, and double-flank inspection. Kiseki Machinery supplies and supports the complete Kitai range across India, with application engineering, installation and after-sales service.

Gear hobbingGear shapingCutter sharpeningGear inspection
Kitai Sangyo HOBLON 8-NC CNC gear hobbing machine

Gear hobbing machines

Vertical CNC/NC hobbers from small-module precision gears to heavy-duty production.

Kitai Sangyo HOBLON 8-NC 4-axis CNC universal compact gear hobbing machine

4-axis CNC universal compact gear hobbing machine

HOBLON 8-NC

A high-precision vertical hobbing machine for a wide range of gears, built for flexible high-mix, low-volume production.

Key specifications
Model
8-NC
Max module (mn)
2.0
Max cutting diameter
Ø160 mm
Number of teeth (Z)
3–999
Hob head swivel angle
+160° to −20°
Max hob spindle speed
3,000 rpm
Floor space
1,215 × 1,460 mm
Net weight
1,400 kg
Workable gears
Spur / helical, worm wheel / worm
Features
  • 4-axis NC control (work, infeed, feed and hob-shift) removes all change-gear swapping for easy setup; crowning, taper and worm cutting available as options.
  • Cuts spur, helical, worm wheels and worms.
  • Conversational screen — just enter cutting data, no programming required.
  • Double-cut cycle as standard; hob spindle up to 3,000 rpm.
  • Vertical design for a small, space-saving footprint.
Spec sheet (PDF) ↓ Request price & details →
Kitai Sangyo Hi-PRO 3AⅡ 2-axis NC high-speed automatic compact hobbing machine

2-axis NC high-speed automatic compact hobbing machine

Hi-PRO 3AⅡ

The definitive dedicated spur-gear machine — a proven classic revived with 2-axis NC for small-diameter, high-precision, small-module mass production.

Key specifications
Model
Hi-PRO 3AⅡ
Max module (mn)
0.75
Max cutting diameter
Ø30 mm
Number of teeth (Z)
6–100
Hob head swivel angle
—
Max hob spindle speed
4,000 rpm
Floor space
1,070 × 930 mm
Net weight
900 kg
Workable gears
Spur gears
Features
  • Long-popular legacy model revived with NC infeed and feed axes.
  • Improved operability via a simple touch-panel screen.
  • Standard cycles: double-cut, conventional, climb and radial cutting.
  • Dual-drive (synchronised rotation) work and tailstock axes.
  • High cost-performance with a minimal, compact footprint.
Spec sheet (PDF) ↓ Request price & details →
Kitai Sangyo Hi-PRO 3N 5-axis CNC high-speed automatic compact hobbing machine

5-axis CNC high-speed automatic compact hobbing machine

Hi-PRO 3N

Ideal for high-precision, small-module helical gears in small motors, reducers and instruments.

Key specifications
Model
3N
Max module (mn)
0.75
Max cutting diameter
Ø30 mm
Number of teeth (Z)
3–999
Hob head swivel angle
±45°
Max hob spindle speed
6,000 rpm
Floor space
1,379 × 1,376 mm
Net weight
1,400 kg
Workable gears
Spur / helical, worm wheel
Features
  • 5-axis NC (work, infeed, feed, hob-shift, tailstock) removes change-gear swapping; crowning and taper cutting optional.
  • Cuts spur, helical and worm wheels.
  • Conversational data entry — no programming.
  • Hob spindle up to 6,000 rpm.
  • Dual-drive (synchronised) work and tailstock axes; compact footprint.
Spec sheet (PDF) ↓ Request price & details →
Kitai Sangyo Hi-PRO 10AⅡ 2-axis NC heavy-duty production hobbing machine

2-axis NC heavy-duty production hobbing machine

Hi-PRO 10AⅡ

A high-precision, high-rigidity 2-axis NC hobber up to Ø100 mm and module 2.5 — from automotive parts to long workpieces, manual through automated.

Key specifications
Model
10AⅡ
Max module (mn)
2.5
Max cutting diameter
Ø100 mm
Number of teeth (Z)
5–100
Hob head swivel angle
±45°
Max hob spindle speed
1,500 rpm
Floor space
1,545 × 1,275 mm
Net weight
2,100 kg
Workable gears
Spur / helical, worm wheel
Features
  • NC infeed and feed axes enable standard, crowning and taper cutting (option); NC hob shift.
  • Programmed cutting cycles — key in gear and cutting data; no programming or feed change-gears.
  • Double-cut function as standard.
  • Rigid structure cuts module 2.5 with ease.
Spec sheet (PDF) ↓ Request price & details →
Kitai Sangyo Hi-PRO 10AⅡW 3-axis NC heavy-duty production hobbing machine

3-axis NC heavy-duty production hobbing machine

Hi-PRO 10AⅡW

A special version of the class-leading Hi-PRO 10A. A wide hob-head swivel range enables efficient hobbing of multi-start worm gears.

Key specifications
Model
10AⅡW
Max module (mn)
2.5
Max cutting diameter
Ø100 mm
Number of teeth (Z)
5–100
Hob head swivel angle
±45°
Max hob spindle speed
1,500 rpm
Floor space
1,755 × 1,350 mm
Net weight
2,100 kg
Workable gears
Spur / helical, worm / worm wheel
Features
  • Special structure gives a large hob-head swivel angle for efficient multi-start worm-gear hobbing — more accurate than milling-cutter or lathe worm machining.
  • NC hob shift.
  • NC infeed and feed axes: standard, crowning and taper cutting (option).
  • Double-cut as standard; high rigidity cuts module 2.5 easily.
Spec sheet (PDF) ↓ Request price & details →
Kitai Sangyo Hi-PRO 10N 5-axis CNC heavy-duty production hobbing machine

5-axis CNC heavy-duty production hobbing machine

Hi-PRO 10N

The best-selling Hi-PRO 10A with 5-axis CNC control — wet, dry and hardened-material cutting via options, with simplified setup.

Key specifications
Model
10N
Max module (mn)
2.5
Max cutting diameter
Ø100 mm
Number of teeth (Z)
3–999
Hob head swivel angle
±45°
Max hob spindle speed
4,000 rpm
Floor space
1,680 × 1,750 mm
Net weight
3,600 kg
Workable gears
Spur / helical, worm wheel
Features
  • Hand-scraped metal sliding surfaces for long life, vibration absorption and rigidity.
  • Handles wet cut, dry cut and hardened-material machining.
  • Conversational data entry — no programming.
Spec sheet (PDF) ↓ Request price & details →
Kitai Sangyo Hi-PRO 10NW 5-axis CNC heavy-duty production hobbing machine

5-axis CNC heavy-duty production hobbing machine

Hi-PRO 10NW

A special version of the class-leading Hi-PRO 10N. A wide hob-head swivel range enables efficient hobbing of multi-start worm gears.

Key specifications
Model
10NW
Max module (mn)
2.5
Max cutting diameter
Ø100 mm
Number of teeth (Z)
3–999
Hob head swivel angle
+117° to −45°
Max hob spindle speed
4,000 rpm
Floor space
1,680 × 1,750 mm
Net weight
3,600 kg
Workable gears
Spur / helical, worm wheel / worm
Features
  • Wide hob-head swivel range (+117° to −45°) for efficient hobbing of multi-start worm gears.
  • 5-axis CNC control with conversational data entry — no programming.
  • Cuts spur, helical, worm wheels and worms up to module 2.5 and Ø100 mm.
Spec sheet (PDF) ↓ Request price & details →

Gear shaping machine

Compact CNC shaping for external, internal, stepped and sector gears.

Kitai Sangyo KS-6N 4-axis CNC high-speed compact gear shaping machine

4-axis CNC high-speed compact gear shaping machine

KS-6N

Ideal for spur gears in small reducers, cameras, instruments and OA equipment, and for automotive serrations; optional rack and sector-gear cutting.

Key specifications
Model
KS-6N
Max module (mn)
1.0
Max cutting diameter
OD Ø60 / ID Ø30 mm
Max work height
200 mm
Max face width
20 mm
Max strokes
400–1,500 str/min
Floor space
1,000 × 1,370 mm
Net weight
2,000 kg
Workable gears
Spur / internal / stepped gears
Features
  • Cuts external, internal, stepped and sector gears.
  • Simple, compact mechanism with NC control for easy setup and high precision.
  • Cutter-relieving system gives very quiet 1,500 str/min high-speed stroking.
  • Large column travel for safe, easy gear loading and unloading.
  • Energy-saving — total 1.5 kVA; space-saving footprint (1.37 m²).
Spec sheet (PDF) ↓ Request price & details →

Hob & cutter sharpening

Automatic NC rake-face grinding for hobs and pinion cutters.

Kitai Sangyo SKAⅡ Automatic hob rake-face grinding machine

Automatic hob rake-face grinding machine

SKAⅡ

The legacy hob rake-face grinder updated to 3-axis NC (infeed, spindle vertical, indexing) — a cost-effective, space-saving, high-precision sharpener.

Key specifications
Model
SKAⅡ
Max hob grinding OD
Ø65
Max worm milling-cutter dia
Ø80
Max hob grinding length
80 mm
Wheel diameter
Ø90–Ø125
Number of gashes
3+
Wheel spindle speed
Max 5,000 rpm (variable)
Wheel spindle motor
0.4 kW – 4P
Total power
2.5 kVA
Overall height
1,580 mm
Floor space
867 × 888 mm
Net weight
600 kg
Features
  • Energy- and space-saving (about 1/3 of a tatami mat).
  • Very easy operation — just select minimal grinding conditions on the panel.
  • Grinds long hob cutters.
Spec sheet (PDF) ↓ Request price & details →
Kitai Sangyo SKAⅢ Automatic hob & pinion-cutter rake-face grinding machine

Automatic hob & pinion-cutter rake-face grinding machine

SKAⅢ

A “dual-tool” high-precision rake-face grinder for both hobs and pinion cutters.

Key specifications
Model
SKAⅢ
Max hob grinding OD
≤ Ø65
Max worm milling-cutter dia
≤ Ø80
Max hob grinding length
≤ 80 mm
Wheel diameter
Ø80
Number of gashes
3+
Wheel spindle speed
Max 10,000 rpm (variable)
Wheel spindle motor
1.2 kW – 4P
Total power
4.0 kVA
Overall height
1,580 mm
Floor space
867 × 888 mm
Net weight
680 kg
Features
  • Compact, economy-focused high-precision hob & pinion-cutter rake-face grinder.
  • Switch between hob and pinion-cutter grinding by changing the wheel spindle / program (per machine spec).
  • Energy-saving and space-saving design.
  • 3-axis NC control (X infeed, Z spindle vertical, C indexing).
  • Adjustable grinding stroke to suit hob / pinion-cutter width; wheel spindle up to 10,000 rpm.
Spec sheet (PDF) ↓ Request price & details →

Gear inspection

Double-flank composite-error testing with paperless data capture.

Kitai Sangyo KGT Double-flank gear rolling tester

Double-flank gear rolling tester

KGT

Measures double-flank composite error by meshing the test gear with a master gear, with high sensitivity, response and stability. Data saves automatically to a PC (paperless) — desktop, laptop or tablet.

Key specifications
Meshing centre distance
18–75 mm
Master gear diameter
Ø50 mm
Bore diameter
Ø10 mm
Face width
12–20 mm
Max test gear OD
Ø100 mm
Max module
mn 2.0
Max length
150 mm
Drive motor
3 W (100 V) 1 rpm
Height
250 mm
Floor space
270 × 185 mm
Unit weight
16 kg
Features
  • Simple, rugged construction — very easy handling and maintenance.
  • Constant-force spring meshes the gears; test pressure is changed by swapping the spring (standard 400 g).
  • Parallel-axis testing needs no fine adjustment — just set the master and test gear for repeatable results (helical gears need a helical master).
Spec sheet (PDF) ↓ Request price & details →

Enquiry

Request a price or discuss your gear

Tell us the gear you need to produce — module, diameter, number of teeth, material and volume — and the Kitai model of interest. Kiseki’s engineering team will respond with a recommendation.

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Office
1992, J-Block, 3rd Street, Anna Nagar, Chennai 600 040, Tamil Nadu, India.

Specifications summarised from the Kitai Sangyo product catalogue (kitaisangyo.jp) and translated for reference. Final machine configuration is confirmed after application review.

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