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Features

Grinding wheel auto-balancer advantages

Reduce more than half of normal Grinding Wheel Exchange time.
(Comparison: Fully Trained Staff: 43 mins Vs Auto-balancer: 18 mins)
Special skill is not required to achieve ideal dynamic balance condition, safely and automatically.
Improved grinding process quality by preventing vibration.

Grinding wheel exchanging time and Remaining Unbalance

Grinding wheel exchanging time and Remaining Unbalance

Maintaning and Improving the Process Quality

PULCOM AB-10 observes vibration of grinding table, and if the vibration level becomes more than the threshold setting value, signal will be sent to NC to notify the operator that correction of balancing is needed. This system prevents production of defects caused by unbalanced grinding wheel.

High Precision Balancing

PULCOM AB-10 adopts high performance DSP (Digital Signal Processor), and the algorism is optimized by using Accretech’s (Tokyo Seimitsu’s) 3D coordinate measuring machine technology and roundness measuring machine technology. By moving weight, vibration change occurs and balance correction position can be calculated from this slight vibration change. Therefore, perfect balancing can be achieved in a short time.

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System Configuration

Flange type balance head system

 

Non-contact type balance head system

 

Installation example

This is the most applicable head type, e.g. for cylindrical, surface, and centerless grinders.These can be installed into either grinder wheel side or pully side (when there are no interfering objects or other kinds of impediments.) Also, these are suitable for grinders with bload line-up covering balancing volumes from 400 to 7500 gcm.

 

Cylindrical grinder (pully side installation)

Installation

Installation


Centerless grinder(pully side installation)

Centerless grinder (pully side installation)

Angular grinder(Grinding wheel side mounting)

Angular grinder (Grinding wheel side mounting)

Brush type balance head system

 

 

Installation example

Balance head cable for this head type is detachable. Only one controller is required to use plural number of balance heads. (To avoid wearing of brushes, detach balance head cable and cap the connector when balancing is finished.) Very suitable for use in medium to large scale manufacturing, e.g. balancing cylindrical and surface grinders.

 

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Specifications

■ Controller

Name For non-contact type balance head For brush type balance head
Product code 0936511 0936519
Model BH-6511 BH-6519
Display method Flourescent Display Tube+LED
Vibration resolution 0.01 µm
Power rated DC24 V±10% 16 W AC100 to 240 V 16 W(AC adaptor)
I/O Input Photocoupler input 10 mA max
I/O Output Open drain output(sink/source) 24 VDC 40 mA max
CE Marking Standard
Usage environment Temperature 0 to 50℃ Humidity 10 to 90%RH
Waterproof IP54(Front Panel Only)
Weight About 2.3 kg

■ Vibration Sensor

Name For non-contact type balance head For brush type balance head
Product code 0936513
Model BH-6513Z
Mounting Method M6 Bolt
(Magnet is optional)
M6 Bolt or Magnet
(Magnet included)
Cable length 6 m
Usage environment Temperature 0 to 50℃ Humidity 10 to 90%RH
Waterproof IP67
Weight About 0.6 kg

■ Flange type balance head

Name Non-contact type Brush type
Product code Please refer to the table of the product code.
Balancing volume
Rotation speed
Weight
7500 gcm
1000 min-1
About 5.0 kg
7500 gcm
1000 min-1
About 5.1 kg
6000 gcm
1800 min-1
About 4.3 kg
6000 gcm
1800 min-1
About 4.3 kg
4500 gcm
2000 min-1
About 3.9 kg
4500 gcm
2000 min-1
About 3.9 kg
3000 gcm
3000 min-1
About 3.5 kg
3000 gcm
3000 min-1
About 3.5 kg
2000 gcm
3000 min-1
About 3.1 kg
2000 gcm
3000 min-1
About 3.1 kg
1300 gcm
4000 min-1
About 2.8 kg
1300 gcm
4000 min-1
About 2.8 kg
900 gcm
4000 min-1
About 2.6 kg
900 gcm
4000 min-1
About 2.6 kg
600 gcm
4000 min-1
About 2.5 kg
600 gcm
4000 min-1
About 2.6 kg
400 gcm
6000 min-1
About 2.5 kg
400 gcm
4000 min-1
About 2.5kg
Power supply type Non-contact type Brush type
Power supply gap 2 to 3 mm
Brush life span 3000 hours@3000 min-1
Cable length 6 m 6 m (Removable)

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■ System

Product code Balance head specifications
Non-contact type balance head
0936502 400 gcm / 6000 min-1
0936504 600 gcm / 4000 min-1
0936506 900 gcm / 4000 min-1
0936508 1300 gcm / 4000 min-1
0936510 2000 gcm / 3000 min-1
0936541 3000 gcm / 3000 min-1
0936543 4500 gcm / 2000 min-1
0936630 6000 gcm / 1800 min-1
0936640 7500 gcm / 1000 min-1

■ Non-contact type balance head system incudes Balance head and the folloing
accessories.

Non-contact type balance head system accessories
Product code Product name
0936511 Controller for non-contact type
0936513 Vibration sensor(6m)
0936512 Transmitter(6m)
0936210 Power cable(10m)
0936211 I/O cable(10m)
Product code Balance head specifications
Brush type balance head
0936503 400 gcm / 4000 min-1
0936505 600 gcm / 4000 min-1
0936507 900 gcm / 4000 min-1
0936509 1300 gcm / 4000 min-1
0936540 2000 gcm / 3000 min-1
0936542 3000 gcm / 3000 min-1
0936544 4500 gcm / 2000 min-1
0936635 6000 gcm / 1800 min-1
0936645 7500 gcm / 1000 min-1

■ Brush type balance head system incudes Balance head and the folloing
accessories.

Brush type balance head system accessories
Product code Product name
0936519 Controller for brush type
0936513 Vibration sensor(6m)
0936514 Magnet used by the vibration sensor
0936533 AC adaptor
0936536 Balance head cable(6m)

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■ Standard volume balance head

Product code Model Specifications (Balancing volume /Max rotation speed/Weight)
Non-contact type balance head
0936521 BH-E6521 2000 gcm / 3000 min-1 / Approx. 3.1 kg
0936524 BH-E6524 1300 gcm / 4000 min-1 / Approx. 2.8 kg
0936527 BH-E6527 900 gcm / 4000 min-1 / Approx. 2.6 kg
0936591 BH-E6591 600 gcm / 4000 min-1 / Approx. 2.6 kg
0936571 BH-E6571 400 gcm / 6000 min-1 / Approx. 2.5 kg
Brush type balance head
0936523 BH-B6523 2000 gcm / 3000 min-1 / Approx. 3.1 kg
0936526 BH-B6526 1300 gcm / 4000 min-1 / Approx. 2.8 kg
0936529 BH-B6529 900 gcm / 4000 min-1 / Approx. 2.6 kg
0936593 BH-B6593 600 gcm / 4000 min-1 / Approx. 2.6 kg
0936573 BH-B6573 400 gcm / 4000 min-1 /Approx. 2.5 kg

■ Medium volume balance head

Product code Model Specifications (Balancing volume /Max rotation speed/Weight)
Non-contact type balance head
0936601 BH-E6601 6000 gcm / 1800 min-1 / Approx. 4.3 kg
0936598 BH-E6598 4500 gcm / 2000 min-1 / Approx. 3.9 kg
0936595 BH-E6595 3000 gcm / 3000 min-1 / Approx. 3.5 kg
Brush type balance head
0936603 BH-B6603 6000 gcm / 1800 min-1 / Approx. 4.3 kg
0936600 BH-B6600 4500 gcm / 2000 min-1 / Approx. 3.9 kg
0936597 BH-B6597 3000 gcm / 3000 min-1 / Approx. 3.5 kg

■ Large volume balance head

Product code Model Specifications (Balancing volume /Max rotation speed/Weight)
Non-contact type balance head
0936604 BH-E6604 7500 gcm / 1000 min-1 / Approx. 5.0 kg
Brush type balance head
0936606 BH-B6606 7500 gcm / 1000 min-1 / Approx. 5.1 kg

■ Service parts

Product code Product name Specifications Model
0936511 Controller For non-contact type BH-6511
0936519 Controller For brush type BH-6519
0936513 Vibration sensor Standard (Vertical, 6 m) BH-6513
0936514 Magnet Standard (Vertical, 6 m) BH-6514
0936512 Transmitter Standard BH-6512
0936533 AC adaptor 45 W BH-6533
0936210 Power cable 10 m 0936210
0936211 I/O cable 10 m 0936211
0936536 Balance head cable 6 m BH-6536

■ Option

Product code Product name Specifications Model
0936532 Vibration sensor extension cable 6 m 0936532
0936531 Transmitter extension cable 6 m 0936531
0936535 Balance head extension cable 6 m 0936535

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Balance capacity chart

Following drawing is the Balance capacity chart of a nomal grindstone. Please use this drawing as a reference of Balance capacity selection.

(This is not defined of Balance capacity.)

*Necessary balance capacity is decided by Outer diameter, mass distribution and distance of permissible mass eccentricity, but influence of bearings, stiffness of support and number of rotations is significant, so it is not uniquely specified.

Overview

Controller

Drawing of a Controller

Vibration sensor

■ Standard volume balance head

Non-contact type

Brush type

■ Medium volume balance head

Non-contact type

Brush type

■ Large volume balance head

Non-contact type

Brush type

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