Aximotion Gears - Complete Gear Solutions

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Gear Product Range

Parallel Shaft Drive

Spur Gears

The most widely used gear type for parallel shaft power transmission. Available in steel (Module 0.5–10) and plastic (Module 1–3) variants. Involute tooth profile with 20° pressure angle — the industry standard for balanced strength and efficiency.

Steel Spur Gears

Standard involute spur gears for parallel shaft applications requiring high torque and durability.

Module Range: 0.5 – 10
Pressure Angle: 20° (standard); 14.5° (legacy)
Tooth Profile: Involute, full depth
Addendum: 1.0 × module
Dedendum: 1.25 × module
Tooth Depth: 2.25 × module
Clearance Coefficient: 0.25

Module 0.5–10 20° PA Involute Profile

Parameter	Specification	Notes
Module Range	0.5 – 10	ISO standard series
Pressure Angle	20° (std) / 14.5°	20° recommended for new designs
Tooth Profile	Involute	Full depth standard
Addendum Coeff.	ha* = 1.0	Standard profile
Dedendum Coeff.	hf* = 1.25	Standard profile
Clearance Coeff.	c* = 0.25	Standard
Tooth Depth	2.25 × module	Standard full depth
Material	Carbon steel / Alloy steel	Heat treatment available
Also available in	Stainless steel, Plastic, Brass	Application dependent
Accuracy Grade	ISO 1328 / AGMA / JIS / DIN	Grade 5–10 available
Shaft Arrangement	Parallel	External mesh

Plastic Spur Gears

Lightweight, self-lubricating plastic spur gears for low-load, low-noise, and corrosion-resistant applications.

Module Range: 1 – 3
Pressure Angle: 20°
Materials: Nylon (PA6/PA66), Acetal (POM)
Temperature Limit: 100°C continuous
Intermittent Temp: 150°C
Self-lubricating — no grease needed
Corrosion resistant

Module 1–3 Nylon / POM Self-lubricating

Parameter	Specification
Module Range	1 – 3
Pressure Angle	20°
Tooth Profile	Involute, full depth
Primary Material	Nylon PA6 / PA66
Alternative Material	Acetal (POM) / Polyurethane
Max Temp (cont.)	100°C
Max Temp (int.)	150°C
Standard	AGMA / BS 6168

Spur gears are the go-to solution for any parallel shaft drive requiring reliable, high-efficiency power transmission.

CNC Machines

Axis drives, spindle heads, tool changers requiring precision and repeatability.

Robotics

Joint drives and linear actuators in industrial and collaborative robots.

Printing Machines

Feed rollers, impression cylinders, and paper handling drives.

Packaging Lines

High-speed conveyors, filling heads, and sealing mechanisms.

Automotive

Transmission components, engine accessories, and test rigs.

90° Shaft — High Ratio

Worm Gears

High reduction ratio gears for 90° perpendicular shaft applications. Standard Worm Gears (Module 1–6), Duplex Worms (Module 1.5–6) for zero-backlash adjustment, and matching Duplex Worm Wheels.

Standard Worm Gears

Single-start or multi-start worms for high reduction perpendicular shaft drives. Hardened steel worm paired with phosphor bronze wheel for optimum wear resistance.

Module Range: 1 – 6
Pressure Angle: 20° (standard) / 14.5°
Shaft Angle: 90°
Lead Angle (γ): < 25° for αn = 20°
Speed Ratio: 10:1 up to 60:1 (stock)
Efficiency: 30–90% (lead-angle dependent)
Self-locking at lead angle 2°–8°

Module 1–6 90° Shaft Self-locking option

Parameter	Specification	Notes
Module Range	1 – 6	Axial module
Pressure Angle	20° normal (standard)	14.5° also available
Shaft Angle	90°	Perpendicular shafts
Lead Angle γ	< 25° (for αn = 20°)	Self-lock: 2°–8°
Speed Ratio	10:1 – 60:1	Multi-start increases ratio
Efficiency	30 – 90%	Higher lead angle = higher eff.
Worm Material	Hardened alloy steel	Ground finish
Wheel Material	Phosphor bronze (CAC502)	Anti-wear
Power Transfer	Perpendicular shafts only	90° crossed axes
Standard	BS 721 Pt2 / AGMA 6034

Duplex Worms

Dual-lead worms with varying tooth thickness enabling precise backlash adjustment by axial shift — without altering center distance or tooth contact geometry.

Module Range: 1.5 – 6
Backlash change: 0.02 mm per 1 mm axial shift
Tooth profile: Dual-lead involute
Hardened, ground, and tempered
Pressure Angle: 20°
Zero-backlash adjustment possible
No change in contact area during adjustment

Module 1.5–6 Dual-lead Zero-backlash

Parameter	Specification
Module Range	1.5 – 6
Pressure Angle	20°
Tooth Profile	Dual-lead involute
Left/Right Face Leads	Different leads on each tooth face
Backlash Adjust Rate	0.02 mm / 1 mm axial shift
Wheel Backlash Range	−0.045 to +0.045 mm
Axial Shift for Zero BL	~2 mm
Zero Backlash	Not recommended — disrupts oil film
Material	Tempered, hardened & ground steel
Assembly	Arrow marks must align
Application	CNC rotary tables, precision drives

Duplex Worm Wheels

Phosphor bronze worm wheels matched to duplex worms. Constant tooth thickness around the circumference — backlash is adjusted exclusively through axial shift of the mating worm.

Module Range: 1.5 – 6
Material: Phosphor bronze CAC502 (PBC2)
Hardening: None
Tooth finish: Cut (non-ground)
Speed Ratio: 10:1 to 60:1
Arrow mark for correct assembly

Module 1.5–6 Phosphor Bronze Ratio 10–60:1

Parameter	Specification
Module Range	1.5 – 6
Material	CAC502 Phosphor Bronze
Hardening	None
Tooth Finish	Cut (non-ground)
Speed Ratio	10:1 – 60:1
Backlash Range	−0.045 to +0.045 mm
Backlash Adjustment	Via axial shift of mating worm only
Mating Worm	Duplex Worm (axial shift)
Pressure Angle	20°
Wear Resistance	Excellent (phosphor bronze CAC502/PBC2)

Worm and duplex worm gear sets are ideal for high-ratio, compact right-angle drives where self-locking or near-zero backlash is required.

CNC Rotary Tables

Duplex worms enable precise backlash adjustment for 4th-axis rotary indexing.

Lifting Equipment

Self-locking worms prevent back-driving in hoists and elevators.

Antenna Drives

High-ratio, low-speed precision positioning for antenna platforms.

Actuator Gearboxes

Compact right-angle speed reducers for valve and damper actuators.

90° Intersecting Shafts

Bevel Gears

Three bevel gear variants for intersecting 90° shaft drives — Spiral Bevel (Module 1–5) for smooth high-speed operation, Steel Bevel (Module 1–8) for heavy loads, and Plastic Bevel (Module 1–2) for lightweight corrosion-resistant use.

Spiral Bevel Gears

Curved spiral teeth for gradual tooth engagement — quieter and smoother than straight bevel gears under high speed and heavy load.

Module Range: 1 – 5
Pressure Angle: 20° (metric standard)
Spiral Angle: Typically 35°
Shaft Angle: 90°
Tooth System: Gleason (whole depth h = 1.888m)
Must be paired — opposite spiral direction
Min. Pinion Teeth: 12 (Gleason, αn = 20°)

Module 1–5 Spiral 35° Gleason System

Parameter	Specification
Module Range	1 – 5
Pressure Angle	20° (normal)
Spiral Angle	35° (typical)
Shaft Angle	90°
Tooth Form	Gleason — Whole depth h = 1.888m
Top Clearance	ca = 0.188m
Working Depth	hw = 1.700m
Face Width	Max 30% of cone distance; not exceeding 10/DP
Min. Pinion Teeth	12 (Gleason system, αn = 20°)
Pairing Rule	Same pitch, same PA, same spiral angle, opposite hand
Material	Case-hardened alloy steel
Standard	AGMA / Gleason

Steel Bevel Gears

Straight-tooth steel bevel gears for robust 90° shaft drives. Widest module range covering light to heavy industrial loads.

Module Range: 1 – 8
Pressure Angle: 20° standard (also 14.5°, 25°)
Shaft Angle: 90° (also 30°–150° possible)
Pitch Cone Angle: 45° for 1:1 ratio sets
Speed Limit (straight): up to 5 m/s
Materials: Carbon steel, alloy steel

Module 1–8 20° PA 90° shaft

Parameter	Specification
Module Range	1 – 8
Pressure Angle	20° (std); 14.5°, 25° also available
Other PA Options	16°, 17.5°, 22.5°, 35°
Shaft Angle	90° (30°–150° possible)
Tooth Form	Straight or spiral
Pitch Cone Angle	45° (for 1:1 ratio)
Max Speed (straight)	Up to 5 m/s
Material	Carbon steel / Alloy steel
Heat Treatment	Case-hardened for higher loads
Standard	AGMA / ISO / JIS

Plastic Bevel Gears

Lightweight engineering polymer bevel gears for low-load, low-noise 90° direction change applications.

Module Range: 1 – 2
Pressure Angle: 20°
Shaft Angle: 90°
Materials: Nylon, Acetal (POM)
Temperature Limit: 100°C continuous
No lubrication required
Corrosion resistant

Module 1–2 Nylon / POM No lubrication

Parameter	Specification
Module Range	1 – 2
Pressure Angle	20°
Shaft Angle	90°
Gear Ratio	Various (1:1 for miter type)
Material Options	Nylon / Acetal (POM)
Max Temp (cont.)	100°C
Max Temp (int.)	150°C
Lubrication	Not required
Standard	AGMA / BS 6168

Bevel gears are used wherever power must be transmitted between intersecting shafts at a right angle.

Automotive Differentials

Spiral bevel gears in rear axle differentials for smooth, quiet operation.

Machine Tool Heads

Right-angle drives in milling and drilling head assemblies.

Power Tools

Angle grinders, drills, and handheld tools requiring 90° direction change.

Marine Drives

Bevel gears in marine steering, winch, and propulsion systems.

Rotary to Linear Motion

Gear Racks

Four rack variants converting rotational motion to linear motion — Steel Racks (Module 0.5–10), Racks with Bolt Holes (Module 0.5–6), Round Racks (Module 1–5), and Plastic Racks (Module 1–3).

Steel Racks

Standard rectangular-section steel gear racks for high-load linear motion systems. Widest module range for maximum application flexibility.

Module Range: 0.5 – 10
Pressure Angle: 20° (standard) / 14.5° (legacy)
Tooth Profile: Involute reference profile
Cross-section: Rectangular
Material: Low carbon / alloy / case-hardened steel
Accuracy: AGMA 6–8 / DIN 3962
Lubrication: EP grease 500–1000 hrs

Module 0.5–10 20° PA AGMA 6–8

Parameter	Specification
Module Range	0.5 – 10
Pressure Angle	20° (std) / 14.5° (legacy)
Tooth Profile	Involute, reference profile
Cross-section	Rectangular (standard)
Material	Carbon steel / Alloy steel / Case-hardened steel
Joining	End-to-end — travel of several metres
Accuracy Grade	AGMA 6–8 (commercial)
Precision Grade	Up to DIN 4
Lubrication	EP grease every 500–1,000 hrs
Standard	AGMA / DIN 3962/3963/3967 / JIS

Racks with Bolt Holes

Pre-drilled mounting racks for fast and precise installation on linear axis machine frames without additional fixturing.

Module Range: 0.5 – 6
Pressure Angle: 20°
Pre-drilled bolt hole pattern
Material: Carbon steel / alloy steel
Finish: Black oxide / zinc plated
Ideal for CNC linear axes

Module 0.5–6 Bolt holes pre-drilled

Parameter	Specification
Module Range	0.5 – 6
Pressure Angle	20°
Tooth Profile	Involute
Feature	Pre-drilled mounting bolt holes
Material	Carbon steel / Alloy steel
Finish	Black oxide / Zinc plated
Application	CNC axes, automation linear drives
Standard	AGMA / DIN / JIS

Round Racks

Circular-section rack bars with teeth cut on one face — used in push-pull linkages, steering columns, and special linear mechanisms.

Module Range: 1 – 5
Pressure Angle: 20°
Cross-section: Circular/round
Tooth Profile: Involute
Material: Carbon steel

Module 1–5 Round section

Parameter	Specification
Module Range	1 – 5
Pressure Angle	20°
Cross-section	Circular (round bar)
Tooth Profile	Involute
Material	Carbon steel
Application	Steering, push-pull actuators, special machines
Standard	JIS / AGMA

Plastic Racks

Glass-fibre reinforced polyamide racks for corrosion-resistant, low-noise linear drive applications in food, medical, and automation environments.

Module Range: 1 – 3
Pressure Angle: 20°
Material: Polyamide PA (GF reinforced)
Temperature Limit: 120°C
Corrosion resistant
Self-lubricating, low noise

Module 1–3 PA Glass-Fibre 120°C rated

Parameter	Specification
Module Range	1 – 3
Pressure Angle	20°
Material	Polyamide PA (glass-fibre reinforced)
Temperature Limit	120°C
Lubrication	Self-lubricating
Noise Level	Low
Corrosion Resistance	Excellent
Standard	AGMA / DIN

Smooth & Quiet Operation

Helical & Miter Gears

Helical Gears (Module 2–3) for quieter, higher-load parallel shaft drives. Miter Gears in steel (Module 1–5) and plastic (Module 1–4) for 90° direction change at 1:1 ratio.

Helical Gears

Helical teeth engage gradually, producing lower noise, reduced vibration, and higher load capacity than spur gears. Suitable for medium to high-speed parallel shaft drives.

Module Range: 2 – 3
Normal Pressure Angle: 20°
Helix Angle: 8°–30° (application dependent)
Mating gears: equal helix angle, opposite hand
Low-speed / light-load: 8°–15°
Medium load: 15°–20°
High-speed / heavy-load: 20°–30°

Module 2–3 Helix 8°–30° Low noise

Parameter	Specification
Module Range	2 – 3 (normal module)
Normal Pressure Angle	20°
Helix Angle Range	8° – 30°
Low-speed / light-load	8° – 15°
Medium load (general)	15° – 20°
High-speed / heavy-load	20° – 30°
Tooth Profile	Involute (normal system)
Shaft Arrangement	Parallel
Mating Condition	Same helix angle, opposite hand
Material	Alloy steel / Carbon steel
Standard	AGMA 6102 / ISO 1328 / DIN

Steel Miter Gears

Special 1:1 bevel gears for 90° direction change without speed change. Teeth cut at 45° to the gear face — always used in matched pairs.

Module Range: 1 – 5
Pressure Angle: 20° or 25°
Shaft Angle: 90° (fixed)
Gear Ratio: 1:1 (fixed)
Pitch Angle: 45° (each gear)
Tooth types: Straight or spiral
Always used as matched pairs

Module 1–5 1:1 ratio 90° shaft

Parameter	Specification
Module Range	1 – 5
Pressure Angle	20° or 25°
Shaft Angle	90°
Gear Ratio	1:1 (fixed)
Pitch Angle	45° per gear
Tooth Form	Straight or Spiral
Always used as	Matched pairs (identical geometry)
Material	Carbon steel / Alloy steel (case-hardened)
Standard	Gleason Coniflex / AGMA / JIS

Plastic Miter Gears

Lightweight polymer miter gears for 90° right-angle drives in environments requiring low noise, no lubrication, or corrosion resistance.

Module Range: 1 – 4
Pressure Angle: 20°
Shaft Angle: 90° / Ratio: 1:1
Materials: Nylon, Acetal (POM)
Max Temperature: 100°C continuous
No lubrication required

Module 1–4 Nylon / POM 1:1 ratio

Parameter	Specification
Module Range	1 – 4
Pressure Angle	20°
Shaft Angle	90°
Gear Ratio	1:1
Material	Nylon (PA66) / Acetal (POM)
Max Temp (cont.)	100°C
Lubrication	Not required
Standard	AGMA / JIS

Helical gears excel where spur gears are too noisy; miter gears are the universal solution for 90° direction change at equal speed.

High-Speed Reducers

Helical gears in gearboxes for motors, pumps, and compressors.

HVAC Systems

Miter gears for 90° shaft changes in fan drives and ventilation.

Printing Presses

Helical gears for low-vibration, high-precision paper feed drives.

Precision Instruments

Plastic miter gears in medical, lab, and optical instruments.

Non-Intersecting Shafts

Screw (Crossed Helical) Gears

Screw gears transmit motion between non-parallel, non-intersecting shafts. Available in steel (Module 1–4), bronze (Module 1–3), and plastic (Module 1–3). Helix angle typically 45° for 90° shaft drives.

Steel Screw Gears

Crossed helical (screw) gears for non-parallel, non-intersecting shaft drives. Point contact limits load capacity — suitable for light-duty motion transmission.

Module Range: 1 – 4
Normal Pressure Angle: 20°
Helix Angle: 45° (typical, for 90° shaft drive)
Shaft Angle: Sum of helix angles (90° typical)
Contact type: Point contact
Both gears: same hand of helix
Not suitable for heavy loads

Module 1–4 Helix 45° Point contact

Parameter	Specification
Module Range	1 – 4 (normal module)
Normal Pressure Angle	20°
Helix Angle	45° (for 90° shaft drive)
Shaft Angle	Sum of both helix angles
Contact Type	Point contact
Load Capacity	Light duty only (point contact)
Helix Direction	Both gears — same hand
Material	Alloy steel
Mating Material	Steel or Bronze (dissimilar recommended)
Galling Risk	High if same material used — dissimilar pairs recommended

Bronze Screw Gears

Phosphor bronze screw gears for dissimilar-material pairing with steel screw gears — prevents galling and extends service life in right-angle light-duty drives.

Module Range: 1 – 3
Normal Pressure Angle: 20°
Helix Angle: 45°
Material: Phosphor bronze
Superior wear resistance
Anti-galling properties
Pair with steel screw gear

Module 1–3 Phosphor Bronze Anti-galling

Parameter	Specification
Module Range	1 – 3
Pressure Angle	20°
Helix Angle	45°
Shaft Angle	90°
Material	Phosphor bronze / Gunmetal
Wear Resistance	Excellent
Anti-galling	Superior — paired with steel for dissimilar material
Lubricity	Good — inherent bronze property
Mating Gear	Steel screw gear
Application	Right-angle light-load drives
Standard	JIS / AGMA

Plastic Screw Gears

Nylon or Acetal screw gears for lightweight, self-lubricating non-parallel shaft drives in instrumentation and light automation.

Module Range: 1 – 3
Pressure Angle: 20°
Helix Angle: 45°
Materials: Nylon PA66, Acetal POM
Self-lubricating
Pair with steel mating gear

Module 1–3 Nylon / POM Self-lubricating

Parameter	Specification
Module Range	1 – 3
Pressure Angle	20°
Helix Angle	45°
Shaft Angle	90°
Material	Nylon PA66 / Acetal POM
Lubrication	Self-lubricating
Corrosion Resistance	Excellent
Mating Gear	Steel screw gear
Application	Instrumentation, light-load non-parallel shaft drives
Standard	AGMA / JIS

Screw gears are chosen where the input and output shafts are neither parallel nor intersecting — a unique geometric condition no other gear type handles as simply.

Clocks & Timers

Low-load, quiet crossed helical drives in timing mechanisms.

Optical Instruments

Focus and zoom drives in cameras and scientific instruments.

Office Equipment

Paper feed and scanner drives requiring skew shaft transmission.

Electronics Assembly

Pick-and-place and dispensing drives in PCB assembly machines.

Specialty Gears

Internal Gears & Ratchets

Internal (Ring) Gears (Module 0.5–2.5) for inline concentric shaft drives and compact planetary systems. Ratchets & Pawls for one-directional locking in hoists, winches, and indexing mechanisms.

Internal (Ring) Gears

Gears with internal teeth for use with external pinions in inline shaft, compact, and planetary gear arrangements. Speed ratio determined by teeth difference between ring and pinion.

Module Range: 0.5 – 2.5
Pressure Angle: 20°
Tooth Profile: Involute (internal)
Shaft Arrangement: Inline / concentric
Trochoid interference avoided when z₂−z₁ > 9
Manufacturing: Gear shaping (pinion cutter)
Application: Planetary gearboxes, epicyclic drives

Module 0.5–2.5 20° PA Inline shafts

Parameter	Specification
Module Range	0.5 – 2.5
Pressure Angle	20°
Tooth Profile	Involute (internal teeth)
Shaft Arrangement	Inline / concentric
Min. Tooth Diff. (z₂−z₁)	> 9 (anti-trochoid interference)
Interference Check	Involute, trochoid & trimming interference
Manufacturing Method	Gear shaping (pinion cutter)
Material	Carbon steel / Alloy steel / Stainless
Application	Planetary gearboxes, compact inline reducers
Standard	AGMA / ISO / JIS / DIN

Ratchets & Pawls

Toothed ratchet wheels paired with spring-loaded pawls for one-directional rotation locking. Asymmetric tooth form allows free rotation in one direction and positive locking in the reverse.

Tooth Angle: Typically 60° (asymmetric)
Pressure Angle: 20° (metric) / 14.5° (imperial)
Metric pitch: 2.09, 3.14, 4.71, 6.28, 9.42, 12.56 mm
Imperial pitch: 16, 24, 32, 48 teeth/inch
Surface Hardness: 50–60 HRC
Heat treatment: Induction hardened teeth
Material: Carbon steel (black oxide / zinc plated)

50–60 HRC Induction hardened One-direction lock

Parameter	Specification
Tooth Angle	60° (asymmetric)
Pressure Angle (metric)	20°
Pressure Angle (imperial)	14.5°
Metric Pitch Options	2.09 / 3.14 / 4.71 / 6.28 / 9.42 / 12.56 mm
Imperial Pitch Options	16 / 24 / 32 / 48 teeth per inch
Standard Face Width	20 mm
Max Teeth Hardness	60 HRC
Min Teeth Hardness	50 HRC
Heat Treatment	Induction hardened teeth
Material	Carbon steel — Black oxide finish
Finish Options	Black oxide / Zinc plate
Pawl Type	Spring-loaded swinging pawl
Function	One-direction rotation; locking in reverse
Application	Winches, hoists, indexing mechanisms, safety brakes

Internal gears enable ultra-compact gear trains; ratchets are the classic safety device for load holding and indexing.

Planetary Gearboxes

Internal ring gear is the outer element in all planetary and epicyclic gear sets.

Robotic Joints

Compact inline gear reduction in robot arm and wrist joints.

Winches & Hoists

Ratchet and pawl mechanisms prevent load drop under power failure.

Hand Tools

Ratchets in socket wrenches, torque tools, and hand-operated jacks.

Indexing Tables

Ratchet drives for step-by-step precise angular indexing in automation.

Gears Complete Range