Centerless Grinders

TO-60Ⅱ

A high cost performance machine with enhanced options and multi functionality
Also with improved workability and a lower price compared to conventional machines

Outer diameter of workpiece：
φ3～120

Grinding wheel diameter：
φ610×405×φ304.8

Machine dimensions：
2880×1550×2000

SigmaⅡ

A high performance machine that handles from infeed multi-cavity grinding to throughfeed super abrasive grinding

Outer diameter of workpiece：
φ2～50

Grinding wheel diameter：
φ455×205×φ228.6

Machine dimensions：
2450×1500×1950

TO-6040T-FC-TF

A centerless machine with a constant center of threading
Only one machine setup needed even for long workpieces

Outer diameter of workpiece：
φ20～60

Grinding wheel diameter：
φ610×405×φ304.8

Machine dimensions：
3130×1500×2150

Angular centerless grinding machine

TO-5010S-AR

Stable and simultaneous grinding of the workpiece end face is possible on the periphery of the grinding wheel.
A high efficiency machine for grinding small-diameter long workpieces

Outer diameter of workpiece：
φ3～40

Grinding wheel diameter：
φ510×100×φ228.6

Machine dimensions：
2100×1400×2000

TO-6020S-AR

Stable and simultaneous grinding of the workpiece end face is possible on the periphery of the grinding wheel.
A high efficiency machine for grinding small-diameter long pieces

Outer diameter of workpiece：
φ3～80

Grinding wheel diameter：
φ610×205×φ304.8

Machine dimensions：
2820×1850×2000

TO-5010S-AR

Stable and simultaneous grinding of the workpiece end face is possible on the periphery of the grinding wheel.
A high efficiency machine for grinding short diameter long workpieces

Product video

Features

With the simultaneous grinding of the outer diameter and the end face, stable grinding is made possible.
Equipped with NC measures as its standard
Utilizes a fixed center high angle system whereby even if the diameter of the grinding wheel is changed, the right angle between the outer diameter and the end face doesn’t change.
Grinding of long and narrow pieces in a short time is now possible.

Anti-collision control

This Grinding Machine is equipped with a function that recognizes position information as its standard, so even individuals unfamiliar with the machine can use it with peace of mind.

Image of Anti-collision control

Product video

Centerless Grinders
official YouTube channel

Solution

Gantry loader

Parts feeder

Conveyer

Conveyer belts

Grinding performance data


Dimensions	φ10×L36	φ3×φ2×L9	φ47×L18	φ6×L80
Material	SCM20	—	SCM20	SCM435H
Roundness	2.0	2.0	5.0	3.0
Cylindricity（μm）	3.0	4.0	5.0	3.0
Surface roughness（μm）	Ra0.2	Ry1.6	Rz1.6	Ry1.6

※The values are based on requirements.

*Please view the table by scrolling horizontally

A case study

System composition

Click to enlarge image

Performance data of the improvement

graph

Customer having issues with grinding small diameter long workpieces

The issue

The time it takes for Cylindrical Grinders cannot be shortened for small-diameter long workpieces.
The only method would be to increase production along with the increased number of equipment.

After implementation

By implementing our angular Centerless Grinder, they reduced the grinding time by 68%. One Centerless Grinder can now produce the equivalent of three Cylindrical Grinders.

Specifications

Machine specification

		TO-5010S-AR1
Grinding performance （single work）	Grinding diameter	（Standard）φ3～40mm
	Grinding diameter	（Large）φ30～100mm
	Diameter difference of workpiece	MAXφ40（Maximum gap 20mm）
	Grinding length	100mm
Range of manufacturing	Angular angle	0～20°（fixed）
	Center-height angle	7°（fixed）
	RW angle	±1.0°（fixed）
Grinding wheel	Dimensions	φ510×100×φ228.6
	Minimum diameter	φ360
	Motor capacity	5.5kW
Adjustment wheel	Dimensions	φ330×100×φ203.2
	Minimum diameter	φ280
	Driving system	V belt
	Revolution per minute	1～750rpm
	Motor capacity	3.5kW（Servo motor）
Machine dimensions		W2100×D1400×H2000 （Including control panel）
Machine weight		3500kg