Cosen CNC-800DM - User Manual

Questions and Answers

S
Shannon JohnsonAug 17, 2025
Why Cosen CNC-800DM motor will not start, fuse or circuit breakers blow?
- P
  Paula MckinneyAug 17, 2025
  If the Cosen Saw motor won't start and the fuse or circuit breakers keep blowing, it could be due to a few reasons. First, inspect the line, cord, and plug for damaged insulation and shorted wires. Second, check all lead terminations on the motor for loose or shorted terminals or worn insulation on wires. Lastly, ensure you have the correct fuses or circuit breakers installed in the power line; if not, install the correct ones.
M
Michael PierceAug 20, 2025
What to do if Cosen CNC-800DM motor will not start?
- N
  Natalie RogersAug 20, 2025
  If the motor of your Cosen Saw will not start, there are a few things you can check. First, try resetting the protector by pushing the red button inside the electric box, as the magnetic switch may be open, or the protector may be open. Also, check the power line to ensure it's providing the proper voltage, as low voltage can prevent the motor from starting. Finally, inspect all lead terminations on the motor for loose or open connections.
F
Felicia PerezAug 22, 2025
How to fix Cosen CNC-800DM Saw motor overheat?
- A
  Angela MooreAug 22, 2025
  If the motor of your Cosen Saw is overheating, it could be due to a couple of reasons. First, try reducing the load on the motor. Second, make sure that air circulation through the motor is not restricted. Clean the motor to ensure normal air circulation.
J
John ThomasAug 25, 2025
Why Cosen Saw motor stalls?
- A
  Anita BurnsAug 26, 2025
  The motor of your Cosen Saw might stall due to several reasons. It could be caused by excessive belt tension; adjust the belt tension so that the belt does not slip on the drive pulley while cutting, ensuring a minimum deflection of 1/2" under moderate pressure. Also, excessive head pressure can cause the motor to stall; reduce the head pressure. Refer to the operating instructions 'Adjusting Feed'. Furthermore, excessive blade speed or improper blade selection can lead to stalling; refer to the operating instructions 'Speed Selection' and 'Blade Selection' respectively.
S
Shawn DoyleAug 27, 2025
What to do if Cosen CNC-800DM Saw cannot make square cut?
- N
  Nicole JacksonAug 27, 2025
  If your Cosen Saw cannot make a square cut, there are a few potential causes. A dull blade could be the issue, so try replacing the blade. Ensure that the guide rollers are properly adjusted. You can find information on how to do this in the Adjustments section. Also, check that the rear vise jaw is adjusted properly, setting the fixed vise jaw at a 90? angle to the blade. Finally, excessive head pressure might be the problem; reduce the head pressure, referring to the operating instructions under 'Adjusting Feed'.
M
Michael NelsonAug 30, 2025
What to do if Cosen CNC-800DM Saw blade breakage?
- S
  Samuel BrownAug 30, 2025
  If you are experiencing blade breakage with your Cosen Saw, consider the following: ensure you are not using teeth that are too coarse, and if so, use a finer tooth blade. Also, check for misalignment of the guides and adjust the saw guides accordingly. Use cutting lubricant to avoid dry cutting. Lower the speed if it is excessive; see the Operating Instructions 'Speed selection'. Make sure that tension blade is enough to prevent slippage on the drive wheel while cutting. Check if wheels are out of line and adjust them.
C
Catherine GibbsSep 1, 2025
Why Cosen CNC-800DM Saw increased cutting time?
- R
  Roger EvansSep 2, 2025
  If the cutting time on your Cosen Saw has increased, it could be due to a dull blade, so replace the blade. Alternatively, insufficient head pressure might be the cause, so increase the head pressure, referring to the Operating Instructions 'Adjusting Feed'. Reducing the blade speed might also help; refer to the Operating Instructions 'Speed Selection'.
T
ttaylorSep 4, 2025
What to do if Cosen Saw will not cut?
- P
  Penny BauerSep 4, 2025
  If your Cosen Saw will not cut, there are a few things to check. First, ensure the motor is running in the correct direction by reversing the rotation of the motor (motor rotation C.C.W. pulley end). Second, make sure the blade teeth are pointing in the correct direction; remove the blade, turn it inside out, and reinstall it so the teeth point in the direction of travel. Finally, if you are cutting hardened material, use special alloy blades and consult your industrial distributor for recommendations on the type of blade required.
K
Karen FlemingSep 7, 2025
How to prevent teeth strippage on Cosen CNC-800DM?
- P
  Paul JacksonSep 7, 2025
  To prevent teeth strippage on your Cosen Saw, consider the following: use a finer tooth blade if the current blade has too few teeth per inch. If the gullets are loading up, switch to a coarse tooth blade or use cutting lubricant. Decrease the feed if it is excessive. Ensure the workpiece is securely clamped in the vise.
E
ericclarkSep 9, 2025
How to prevent premature tooth wear on Cosen CNC-800DM?
- B
  Brian ShieldsSep 9, 2025
  To prevent premature tooth wear on your Cosen Saw, use lubricant on all materials except cast iron. If the blade is too coarse, use a finer tooth blade. Increase the feed so that the blade does not ride in the cut. Decrease the speed if it is excessive.

Summary

Manufacturer Welcome and Notes

Manual Usage and Contact Information

Guidance on manual usage, contact details for support and suggestions.

Machine Safety Rules

General Operator Safety Guidelines

Rules for work area, clothing, blade contact, fire safety, and dust.

Operational Safety Precautions

Safety measures for wire brush, cleaning, clamping, roller tables, and circuit breakers.

Safety Information Overview

Understanding Safety Icons

Explanation of symbols for warnings and important information in the manual.

Key Safety Directives

Essential safety rules for machine operation and maintenance.

Machine Safeguard Devices

Protective Covers and Guards List

Lists various protective covers and guards integrated into the machine.

Safety Interlock Switches

Types of Safety Switches

Details on wheel motion detector, power, emergency stop, vise clamp, and interlock switches.

Emergency Stop Button Operation

Location and function of the emergency stop button for immediate machine stoppage.

Machine Safety Labels

Interpreting Hazard Labels

Explanation of the meaning of various hazard and warning labels on the machine.

Hearing Protection Guidelines

Noise Levels and Ear Protection

Identifies noise sources and recommends appropriate hearing protection.

CE Compliance Standards

Machine Compliance with CE Directives

Statement of compliance with Council Directive for machinery.

Risk Assessment Considerations

Design Safety and User Precautions

Discussion on risk assessment during design and necessary operator precautions.

General Machine Information

Key Machine Features and Benefits

Highlights safety, convenience, high performance, and durability advantages.

Technical Machine Specifications

Specifications: Capacity, Speed, Power, Dimensions

Detailed specifications including model, capacity, speed, motor output, and dimensions.

Machine Component Identification

Diagram of Machine Parts

Illustration labeling the various components of the bandsaw machine.

Machine Layout and Dimensions

Top View Floor Plan with Dimensions

Provides a top view of the machine layout with key dimensions indicated.

Machine Moving and Installation

Installation Site Requirements

Specifies space, lighting, temperature, humidity, and floor conditions for installation.

Unpacking and Inspection Procedures

Checking for Shipping Damage

Guidance on unpacking, checking model, and inspecting for shipping damage.

Machine Lifting Procedures

Lifting with a Crane

Instructions for lifting the machine using a crane, including safety.

Lifting with a Forklift

Instructions for lifting the machine using a forklift, including safety.

Other Lifting Methods (Cylinders)

Mentions using rolling cylinders and other methods for moving the machine.

Shipping Bracket Removal

Removing and Storing Shipping Brackets

Details on how to remove and retain the shipping bracket after positioning.

Machine Cleaning

Rust Preventive Grease Removal

Procedure for removing rust-preventive grease with cleaning oil or kerosene.

Machine Installation Steps

Flowchart of Installation Steps

Provides a visual flowchart of the six main installation steps.

Coolant Supply Procedure

Instructions for filling and checking the coolant tank level.

Electrical Power Connection

Guidelines and safety precautions for connecting the machine to electrical power.

Connecting Power Supply: Step-by-Step

Detailed step-by-step instructions for making the electrical power connections.

Leveling the Machine

Procedure for leveling the machine using spirit levels and adjustment bolts.

Machine Anchoring

When and How to Anchor the Machine

Guidance on when anchoring is necessary and how to perform it.

Optional Roller Table Installation

Positioning and Leveling Roller Table

Instructions for positioning and leveling the optional roller table.

Fire Safety Device Installation

Installing Fire Extinguisher

Recommendation to install a fire extinguisher or other fire control device.

Machine Relocation

Steps for Moving the Machine

Procedure for safely relocating the machine to a different location.

Operating the Machine

Essential Operator Safety Rules

Crucial safety guidelines that operators must follow during machine operation.

Daily Operation Safety Checklist

Pre-Operation Checks

Blade, Fluid, and Material Checks

Checks for blade selection, cutting fluid, and handling unknown materials.

Control Panel Overview

Control Panel Components and Functions

Identifies all buttons and their specific functions on the control panel.

Power Status and Emergency Stop

Saw Bow and Vise Operation Buttons

Shuttle Bed and USB Port Usage

HMI Touch Screen Usage

HMI Screen Care and Environment

Guidelines for HMI screen care and optimal operating environment conditions.

Hydraulic and Mode Controls

Coolant, Inserts, and Chip Conveyor

Cutting Mode and Swivel Adjustments

System Settings and Status Monitoring

Cutting Modes, PLC, and Blade Speed

Material Shape and Vise Positioning

Vise and Clamp Status Indicators

Measurement Displays and Error Logs

Key Control Menu Functions

Home Function and Mode Selection

Explanation of the Home button function and automatic/manual mode selection.

Auto Swivel and Status Display Details

Loop Multiple Angle Mode Setup

Job Step Info and Reprogramming

Job Steps and Product Count Formulas

Product Quantity and Step Restarting

Trim Cut Selection Options

Choosing Trim Cut Modes

Guide to selecting and using different trim cut modes.

Job Database Management

Standby Job Data and Database Access

Information on standby jobs and how to access the job database.

Database Job Navigation and Editing

Loading and Saving Job Data

Selecting Product Count Formulas

Calculation Formula Explanations

1-Step and 2-Step Job Formulas

Multi-Step Job Formula Examples

NC100 Single Angle Cutting Mode

NC100 Single Angle Setup Guide

Detailed setup and parameter guide for NC100 single angle cutting.

NC100 Multi Angle Cutting Mode

NC100 Multi Angle Setup Guide

Detailed setup and parameter guide for NC100 multi angle cutting.

Optional Remote Control

Remote Control Features and Operation

Lists and explains the functions available via the optional remote control.

Machine Error Code Troubleshooting

Error Codes M300-M328 Solutions

Solutions for common error codes M300 through M328.

Error Codes M330-M351 Solutions

Solutions for common error codes M330 through M351.

Error Codes M352-M374 Solutions

Solutions for common error codes M352 through M374.

PLC Battery Replacement

Step-by-Step Battery Replacement

Detailed instructions for replacing the PLC battery.

Standard Machine Accessories

Blade Tension Device Description

Description of the hydraulic blade tension device and its operation.

Speed Detection and Inverter

Gear Reducer and Coolant Pump

Wire Brush and Hydraulic Clamp Devices

Mitering Angle Encoder Function

Optional Machine Accessories

Vise Pressure Regulator Adjustment

Details on adjusting vise pressure based on material type.

Indicator Lights: Projection and Warning

Blade Deviation Detector Function

Blade Protection and V-Drive System

Roller Table Options

Performing Manual Cuts

Step-by-Step Manual Cutting

A sequential guide for performing manual cutting operations.

Performing Automatic Cuts

Step-by-Step Automatic Cutting

A sequential guide for performing automatic cutting operations.

Saw Blade Installation

Unrolling and Installing Saw Blades

Detailed steps for unrolling and installing a new saw blade.

Wire Brush Adjustment

Blade Speed Adjustment

Coolant Flow Adjustment

New Saw Blade Break-In

Pre-Use Machine Testing

Machine Performance Test Procedures

Tests to ensure proper machine performance before initial use.

Stopping a Cutting Operation

Methods for Stopping the Machine

Explains how to stop the machine during a cutting operation.

Electrical System Schematics

Overview of Electrical Diagrams

Lists the available electrical circuit diagrams for the system.

Hydraulic System Schematics

Overview of Hydraulic Circuits

Indicates the availability and layout of hydraulic circuit diagrams.

Practical Bandsaw Cutting Guide

Introduction to Bandsaw Cutting

Introduces the guide covering blade selection, vise loading, and troubleshooting.

Saw Blade Terminology Explained

Explains terms related to saw blades like TPI, pitch, set, width, and gullet.

Criteria for Saw Blade Selection

Covers factors for selecting saw blades: length, width, and cutting edge material.

Tooth Pitch and Saw Set Types

Discusses tooth pitch requirements and types of saw blade sets.

Vise Loading Techniques

Explains proper material placement in the vise for efficient sawing.

New Blade Break-In Procedure

Provides steps for breaking in a new saw blade to maximize its lifespan.

Machine Maintenance and Service

Importance of Maintenance Schedule

Emphasizes the necessity of a maintenance schedule for optimal performance.

Maintenance Schedule Summary

Outlines the recommended maintenance schedule: daily, monthly, and six-monthly.

Daily Pre- and Post-Operation Checks

Details essential checks to perform before and after daily machine operation.

Monthly and Six-Monthly Maintenance

Tasks for monthly greasing and six-monthly oil changes.

Machine Storage Guidelines

Environmental Conditions for Storage

Specifies optimal ambient temperature and humidity for machine storage.

End of Machine Use Procedures

Oil Waste Disposal Guidelines

Procedures for draining and disposing of machine oils responsibly.

Lubrication Recommendations

Lubricant Types and Application Methods

Lists recommended lubricants and methods for various machine parts.

Troubleshooting Machine Problems

Troubleshooting Introduction and Categories

Introduces troubleshooting, categorizing problems into general, motor, and blade issues.

Safety Precautions for Troubleshooting

Pre-Repair Safety Procedures

Safety steps required before performing any adjustment or maintenance.

General Machine Troubleshooting

Common Issues and Suggested Remedies

Addresses common problems like motor stalls and square cuts with solutions.

Minor and Motor Troubles

Motor Troubleshooting Guide

Motor Start, Power, and Overload Issues

Diagnoses and resolves issues with motor startup, power, and overload protection.

Saw Blade Troubleshooting

Tooth Strippage and Blade Breakage

Troubleshooting for tooth strippage and blade breakage issues.

Sawing Problems Diagnosis

Sawing Problems Checklist and Solutions

A checklist of sawing problems with their likely causes and solutions.

Causes of Tooth Wear and Breakage

Explains the causes of tooth wear on tips, corners, and breakage.

Causes of Tooth Wear and Chipping

Details causes for tooth wear on both sides, one side, and chipping.

Causes of Blade Breakage and Tooth Damage

Covers causes of blade body breakage, tooth stripping, and chip welding.

Causes of Gullet Loading and Tooth Discoloration

Explains gullet loading, tooth discoloration due to heat, and band wear.

Causes of Back Edge Wear and Breakage

Details causes for back edge wear, butt weld breakage, and gullet wear.

Causes of Blade Cracks and Band Twisting

Covers causes of blade cracks, band twisting, and length issues.

Roller Table Re-Adjustment

Roller Table Alignment Steps

Step-by-step procedure for re-adjusting the roller table for proper alignment.

Machine Parts Information

Recommended Spare Parts List

Lists common spare parts recommended for advance purchase.

Machine Warranty Policy

Warranty Period, Coverage, and Exclusions

Details the warranty period, covered defects, and exclusions.

Cosen CNC-800DM Specifications

General

Brand	Cosen
Model	CNC-800DM
Category	Saw
Language	English

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