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Amada COMA 567 Troubleshooting – Common Problems, Diagnostics & Repair Guide

Proper Amada COMA 567 troubleshooting begins with understanding how this 55-ton mechanical turret punch operates. The COMA 567 is mechanically robust, but like any industrial CNC platform, wear, alignment, and control issues can affect performance over time.

This guide outlines the most common Amada COMA 567 problems and how to diagnose them efficiently.

 

1. Inconsistent Punch Depth or Forming Pressure

Symptoms:

  • Variations in part depth

  • Incomplete forming

  • Uneven embossing

Likely Causes:

  • Worn punch or die

  • Improper die clearance

  • Mechanical linkage wear

  • Insufficient lubrication

  • Ram adjustment misalignment

Action Steps:

Inspect punch and die condition

Verify tool clearance

Check lubrication system

Inspect mechanical drive components

If forming inconsistency persists, deeper mechanical inspection may be required.

For preventive service recommendations, review our Amada COMA 567 maintenance guide.

2. Turret Indexing Problems

Symptoms:

  • Turret fails to rotate properly

  • Misaligned stations

  • Tooling not seating correctly

Likely Causes:

  • Turret gear wear

  • Index motor issues

  • Debris in turret stations

  • Sensor misalignment

Action Steps:

  • Clean turret thoroughly

  • Inspect indexing drive components

  • Verify turret alignment calibration

  • Check station locking mechanisms

Turret misalignment can lead to premature tooling damage and scrap production.

These are among the most common Amada turret punch problems in older mechanical systems.

3. Sheet Positioning or Clamping Issues

Symptoms:

  • Sheet shifting during operation

  • Irregular hole placement

  • Part dimension variation

Likely Causes:

  • Clamp wear

  • Guide rail misalignment

  • Servo positioning calibration drift

  • Material surface contamination

Action Steps:

  • Inspect clamp integrity

  • Verify axis calibration

  • Check servo feedback signals

  • Clean sheet support areas

Accurate sheet positioning ensures repeatable production.

4. Electrical or Control Errors

Symptoms:

  • Unexpected machine stops

  • Error alarms

  • Inconsistent program execution

Legacy control systems may generate fault messages that fall under general COMA 567 error codes related to:

  • Servo overload

  • Limit switch faults

  • Encoder feedback errors

  • Communication interruptions

Action Steps:

  • Review alarm history

  • Inspect wiring integrity

  • Verify cooling system airflow

  • Check power supply stability

If control faults repeat, the issue may originate from aging electronics rather than mechanical components.

At this stage, many shops evaluate modernization options instead of continuous reactive repair.

5. Excessive Vibration During Operation

Symptoms:

  • Abnormal noise

  • Tool chatter

  • Visible vibration during punch cycle

Likely Causes:

  • Worn drive components

  • Turret imbalance

  • Loose mounting hardware

  • Structural wear

Action Steps:

  • Inspect mechanical linkage

  • Verify turret balance

  • Tighten mounting points

  • Inspect foundation stability

Excessive vibration can reduce part accuracy and accelerate machine wear.

6. Hydraulic or Air System Irregularities

Although primarily mechanical, auxiliary systems still influence performance.

Symptoms:

  • Slow clamp response

  • Irregular assist pressure

  • Inconsistent sheet handling

Likely Causes:

  • Air leaks

  • Regulator failure

  • Contaminated lines

Regular inspection prevents minor air system issues from becoming production disruptions.

 

 

When Troubleshooting Turns Into Repair

Occasional issues are normal in older mechanical platforms. However, recurring electrical faults, servo drift, or control instability often indicate outdated control architecture.

At this point, shops must decide between:

The mechanical structure of the COMA 567 often remains strong even after decades of operation. In many cases, upgrading the control system provides the most efficient path forward.

 

Extending Machine Life Through Modernization

Many troubleshooting issues trace back to aging control electronics rather than mechanical failure.

A modern Fanuc-based control retrofit can provide:

  • Improved diagnostics

  • Faster alarm identification

  • Network integration

  • More stable servo communication

  • Reduced downtime

Instead of replacing a structurally sound 55-ton machine, shops upgrade its control intelligence.

Lapis integrates advanced Fanuc-based systems specifically engineered for heavy mechanical platforms like the Amada COMA 567. Modern controls reduce troubleshooting time and improve long-term operational stability.

 

Before Purchasing a Used COMA 567

If you are evaluating a used Amada COMA 567, inspect:

  • Turret alignment condition

  • Maintenance records

  • Alarm history logs

  • Control responsiveness

  • Mechanical wear patterns

Understanding typical Amada COMA 567 problems allows buyers to make informed decisions.

For current machine availability, review our Amada COMA 567 for sale inventory.

For full documentation and technical diagrams, see our Amada COMA 567 manual page.

For preventive service strategy, consult our Amada COMA 567 maintenance guide.

 

Operators often ask us direct troubleshooting questions about the Amada COMA 567. Below are quick answers to the most common issues we see in the field.

Frequently Asked Questions – Amada COMA 567 Troubleshooting

What are the most common Amada COMA 567 problems?

The most common Amada COMA 567 problems include inconsistent punch depth, turret indexing errors, sheet positioning issues, excessive vibration, and legacy control faults. Most mechanical issues relate to wear or lubrication, while electrical issues often stem from aging control systems.

Why is my Amada COMA 567 not punching consistently?

Inconsistent punching usually results from worn tooling, improper die clearance, mechanical linkage wear, or insufficient lubrication. Always inspect punch and die condition first before adjusting machine settings.

What causes turret indexing errors on a COMA 567?

Turret indexing errors are typically caused by gear wear, debris buildup, sensor misalignment, or indexing motor problems. Cleaning and recalibrating the turret system often resolves the issue.

How do I fix Amada COMA 567 error codes?

To fix COMA 567 error codes, review the alarm history, inspect servo feedback signals, verify wiring connections, and confirm limit switch calibration. If errors repeat frequently, the issue may be related to outdated control electronics.

Is it worth repairing an older Amada COMA 567?

In most cases, yes. The mechanical structure of the COMA 567 is extremely durable. If the frame and turret are in good condition, upgrading the control system often provides better ROI than replacing the machine.

When should I upgrade the control system on a COMA 567?

You should consider upgrading when troubleshooting becomes frequent, diagnostics are limited, or electrical failures increase. A modern Fanuc-based control retrofit improves stability, monitoring, and productivity.