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Cosen MH-460M Instruction Manual Download Page 6

 
 

ii

 

Table of Contents

 

 

4

 

Speed

 

Step

 

Pulley

 

………………………………………………………………………………………… 4

‐

8

 

 

 

Variable

 

Stepless

 

Pulley

 

Drive

 

………………………………………………………………………… 4

‐

9

 

 

Angle

 

Cutting

 

………..………..………………………………….………………………………………………………. 4

‐

9

 

 

Adjusting

 

Feed

 

Rate

 

(Cutting

 

Pressure)

 

………………………………………………………………………. 4

‐

10

 

 

Adjusting

 

Vise

 

………..………..…………………………………………………………………..……………………. 4

‐

10

 

 

Adjusting

 

Wire

 

Brush

 

………..……………………………………………………………………….………………. 4

‐

11

 

 

Adjusting

 

Saw

 

Arm

 

………………………………..……………………………………………………………………. 4

‐

11

 

 

Cutting

 

Irregular

 

Cross

 

Section

 

……..…….……………………………………………………………..………. 4

‐

11

 

 

Adjusting

 

Coolant

 

Flow

 

………..………..…………………………………………………………………..………. 4

‐

12

 

 

Installing

 

Material

 

Stop

 

Bracket

 

………………………………………………………………………………….. 4

‐

12

 

 

Adjusting

 

Horizontal

 

Stop

 

Spring

 

Cushion

 

…………………………………………………………………… 4

‐

13

 

Section

 

5

 

–

 

Electrical

 

System

 

5

‐

1

 

 

Electrical

 

Circuit

 

Diagrams

 

……….…………………..…………………………………………………………….. 5

‐

1

 

Section

 

6

 

–

 

Hydraulic

 

System

 

6

‐

1

 

 

Hydraulic

 

Diagrams

 

……….…………………..……………………………………………………………………….. 6

‐

1

 

Section

 

7

 

–

 

Bandsaw

 

Cutting:

 

A

 

Practical

 

Guide

 

7

‐

1

 

 

Introduction

 

……………………….……..…………………..………………………………………………………….. 7

‐

1

 

 

Saw

 

Blade

 

Selection

 

………………….….………………..………………………………………………………….. 7

‐

1

 

 

Some

 

Sawing

 

Practices

 

…………….…….……………..………………………………………….……………….. 7

‐

4

 

 

 

Saw

 

Pitch

 

Selection

 

……………..………………………………………………………….……………… 7

‐

4

 

 

 

Material

 

Size

 

and

 

Saw

 

Pitch

 

….……………………………………………….….…………………… 7

‐

4

 

Section

 

8

 

–

 

Maintenance

 

&

 

Service

 

8

‐

1

 

 

Introduction

 

……………………….…….……….…………..………………………………………………………….. 8

‐

1

 

 

Basic

 

Maintenance

 

…..……………….…………………..…………………………………………….…………….. 8

‐

1

 

 

Maintenance

 

Schedule

 

…..………….…………………..………………………………………………………….. 8

‐

2

 

 

 

Before

 

Beginning

 

a

 

Day’s

 

Work

 

….…………………………………………………………………… 8

‐

2

 

 

 

After

 

Ending

 

a

 

Day’s

 

Work

 

…………..………………………………………….……………………… 8

‐

2

 

 

 

Every

 

Month

 

……………………………….………………………………………….……………………… 8

‐

2

 

 

 

Every

 

Three

 

Months

 

………………..….………………………………………….……………………… 8

‐

2

 

 

 

Every

 

Six

 

Months

 

……………….……….………………………………………….……………………… 8

‐

3

 

 

Storage

 

Conditions

 

…………………………....…………..………………………………………………………….. 8

‐

3

 

 

Terminating

 

the

 

Use

 

of

 

Machine

 

……..……………..………………………………………………………….. 8

‐

3

 

 

Oil

 

Recommendation

 

for

 

Maintenance

 

…………..………………………………………………………….. 8

‐

4

 

Section

 

9

 

–

 

Troubleshooting

 

9

‐

1

 

 

Introduction

 

……………………….…….……………………………………………………………………………….. 9

‐

1

 

Summary of Contents for MH-460M

Page 1: ...COSEN SAWS MH 460M Manual Miter Cutting Bandsaw CE Non CE models Instruction Manual The Pinnacle of Cutting Performance Cosen Mechatronics Co Ltd...

Page 2: ......

Page 3: ...phone 31 77 7600280 fax 31 77 7600288 For China email service cosensaws cn phone 86 152 50127815 Instruction Manual MH 460M Manual Miter Cutting Bandsaw Ver 4 2017 3 14 2013 by COSEN MECHATRONICS CO L...

Page 4: ...als Never adjust the wire brush or remove chips while the saw blade is still running It is extremely dangerous if hands or clothing are caught by the running blade Never touch the running saw blade wi...

Page 5: ...Floor Plan 2 4 Section 3 Moving Installation 3 1 Location Environment 3 1 Unpacking Inspecting 3 2 Lifting 3 3 Illustration Lifting Points 3 5 Removing Shipping Bracket 3 6 Cleaning 3 6 Installing 3 6...

Page 6: ...it Diagrams 5 1 Section 6 Hydraulic System 6 1 Hydraulic Diagrams 6 1 Section 7 Bandsaw Cutting A Practical Guide 7 1 Introduction 7 1 Saw Blade Selection 7 1 Some Sawing Practices 7 4 Saw Pitch Selec...

Page 7: ...9 2 Minor Troubles Solutions 9 3 Motor Troubles Solutions 9 3 Blade Troubles Solutions 9 4 Sawing Problems Solutions 9 5 Re Adjusting the Roller Table 9 6 Section 10 Parts 10 1 Spare Parts Recommenda...

Page 8: ......

Page 9: ...e machine or part of its functions These important safety instructions do not cover all possible situations that might occur It is your responsibility to take caution and follow procedures stated in t...

Page 10: ...ate while under the influence of drugs alcohol or medication All users must read it before performing any activity on the machine such as replacing the saw band or doing regular maintenance Some perso...

Page 11: ...enever the machine is running Do not remove any of these safeguard devices under any circumstances except when servicing the machine Even skilled service technicians should still take cautions when pe...

Page 12: ...assure that the machine will stop whenever the wheel covers are open This device is to protect users from being cut by the running saw blades Among all these safety switches some of them are used to...

Page 13: ...1 5 Illustration Emergency Stop Non CE model CE model Emergency Stop Button Emergency Stop Button...

Page 14: ...ury The arrow indicates direction of the blade WARNING Labels An orange and black WARNING label marks hazards or unsafe practices that can result in severe personal injury or damage to the machine Lab...

Page 15: ...des or adjusting wire brush NOTICE Labels Blue and white NOTICE labels mean unsafe practices that could result in damage to products or property Label Meaning Replace the hydraulic oil every six month...

Page 16: ...ear gloves neckties jewelry or loose clothing while operating the machine 3 Always wear eye protection goggles 4 Check blade tension and adjust blade guide before starting to cut 5 Always clamp stock...

Page 17: ...1 9 Illustration Safety Labels...

Page 18: ...e prescribed maintenance schedule Refer to Section 8 2 If maintenance does not seem to solve the problem follow the troubleshooting procedures under Section 9 CE COMPLIANCE Cosen s CE model is designe...

Page 19: ...ically when the saw blade is broken protecting both the operator and the machine Convenience High Performance The machine is designed in the way that the operation and adjustment can be easily perform...

Page 20: ...02 157 256 fpm Stepless 20 71 m min 66 233 fpm Size L x W x T 3 505 x 27 x 0 9 mm 138 x 1 06 x 0 035 Tension Manual Guide Interchangeable tungsten carbide Cleaning Steel wire brush Motor Output Saw Bl...

Page 21: ...3 MACHINE PARTS IDENTIFICATION Electrical Compartment Slide Plate Idle Wheel Cover Saw Bow Left Guide Arm Base Rotating Pivot Seat Drive Wheel Cover Control Panel Work Bed Right Guide Arm Pulley Cove...

Page 22: ...2 4 FLOOR PLAN Machine top view Machine side view...

Page 23: ...2 5 Machine front view...

Page 24: ......

Page 25: ...ection Refer to Section 2 General Information Specification for machine dimensions and floor space Environment Well lighted 500 lumen at minimum Floor kept dry at all times in order to prevent operato...

Page 26: ...ttention to machine surface equipments furnished and the electrical and hydraulic systems for damaged cords hoses and fluid leaks In the event of damage caused during shipping please contact your deal...

Page 27: ...rane operator to perform the job You must use tools and equipment with the proper tensile strength and use proper method when moving your machine Apply the wire rope sling to the lifting hooks on the...

Page 28: ...perator to perform the job You must apply proper forklift technique to avoid damage to the machine Make sure the forks are able to reach in at least 2 3 of the machine depth You must keep the machine...

Page 29: ...3 5 Illustration Lifting Points Minimum weight capacity for each lifting rod 1 ton Total number of lifting rod required 2...

Page 30: ...ition remove the rust preventive grease with wiping cloth dampened with cleaning oil or kerosene Apply machine oil to machine surfaces that are prone to rust Do not remove the rust preventive grease w...

Page 31: ...the power supply voltage is different from the transformer and motor connection voltage shown on the label attached to the electrical compartment of the machine contact COSEN or your agent immediately...

Page 32: ...control panel will come on 8 Pull to unlock the Emergency Stop button and press the hydraulic ON button to start the hydraulic motor 9 Make sure the sawing area is clear of any objects Start the blad...

Page 33: ...ing bolts Installing Fire Control Device Install a fire extinguisher or any other fire control device in the shop in case a fire breaks out RELOCATING We recommend you follow these procedures when rel...

Page 34: ......

Page 35: ...NSTALLING THE BLADE SELECTING BLADE SPEED ADJUSTING BLADE SPEED ANGLE CUTTING ADJUSTING FEED RATE CUTTING PRESSURE ADJUSTING VISE ADJUSTING WIRE BRUSH ADJUSTING SAW ARM CUTTING IRREGULAR CROSS SECTION...

Page 36: ...aterial in place before cutting long workpieces Always make sure the material is clamped firmly in place before starting to cut Do not remove jammed or cut off pieces until the blade has come to a ful...

Page 37: ...e material is flammable Never take your eyes off the machine while in operation Cutting fluid For cooling and lubrication purpose we recommend you use water soluble cutting fluids The following table...

Page 38: ...ion 1 Power indicator lamp 4 Coolant On Off switch 2 Blade start button 5 Blade descend speed control knob 3 Emergency stop button 6 Blade stop button Control Buttons 1 Power indicator lamp When the l...

Page 39: ...stops and cutting fluid supply will be terminated 5 Blade descend speed control knob This knob is used to adjust the descend speed of the saw blade Turning the knob clockwise increases the blade desc...

Page 40: ...uitable saw blade for your workpiece considering the size shape and material Step 2 Turn on the machine power Step 3 Press the saw bow up button and elevate the saw bow to the highest position Step 4...

Page 41: ...Step 12 Apply tension by turning the blade tension handle clockwise Make sure you have proper blade tension Proper tension exists when the blade does not slip on the drive wheel when cutting Step 13...

Page 42: ...bronze 164 196 Medium Small Plastic copper soft brass aluminum other light materials 277 330 Large Smallest Some materials due to manufacturing processes such as certain types of cast iron pipe or mat...

Page 43: ...eed level Refer to the blade speed reference chart posted on the pulley cover to see the actual blade speed in m min or ft min Blade Speed Control Knob Blade Speed Reference Chart Speed Mark Indicator...

Page 44: ...lates the rate at which the blade is lowered into the material being cut Adjusting the blade descend speed control knob provides an infinite choice for feed rate When cutting workpiece of 2 mm thick o...

Page 45: ...e guide arm position based on the size of your workpiece Step 1 Loosen the blade guide locking handle Then adjust the guide arm to a position suitable for your workpiece size Step 2 After adjustment i...

Page 46: ...9 2 and tighten the set screw Fig 9 1 The depth bar is taken off from the machine base during transit for safety reason Step 2 Lift the saw bow and clamp material securely with vise Step 3 Lower the...

Page 47: ...ed horizontal line Adjust the screw Fig 10 2 until the blade is level Step 3 Tighten the lock nut Fig 10 3 when leveling is obtained If the saw blade top line is not leveled against the bed horizontal...

Page 48: ......

Page 49: ...CAL SYSTEM ELECTRICAL CIRCUIT DIAGRAMS CE Model P 5 2 Control Panel Layout P 5 3 Circuit Board Layout P 5 4 Power Supply Layout Non CE Model P 5 5 Control Panel Layout P 5 6 Circuit Board Layout P 5 7...

Page 50: ...5 2...

Page 51: ...5 3...

Page 52: ...5 4...

Page 53: ...5 5...

Page 54: ...5 6...

Page 55: ...5 7...

Page 56: ......

Page 57: ...6 1 Section 6 HYDRAULIC SYSTEM HYDRAULIC DIAGRAMS...

Page 58: ...6 2...

Page 59: ...Your machine has all these features to provide a better service for you The saw blade is guided through the cutting area by roller guides to keep it straight as it comes off the driving wheels The pr...

Page 60: ...is determined by the hardness of the material and its thickness in cross section Tooth set prevents the blade from binding in the cut It may be either a regular set also called a raker set or a wavy...

Page 61: ...ecognize for example that rollers are considered as a pivotal contact Whereas carbide faces could be considered as anchored supports A more complete deviation including band tension and guide design i...

Page 62: ...ave at least three teeth in contact with the material being cut Material Size and Saw Pitch Anytime during the cutting operation at least three teeth must be in contact with the material being cut Fig...

Page 63: ...1 4 100 250mm 4 10 8 10 TPI Teeth per inch 6 8 TPI 3 4 TPI Structurals STYLE up to 10 mm 3 8 10 20mm 3 8 3 4 above 20mm 3 4 10 8 TPI 8 10 TPI 6 8 TPI Solid Bundle STYLE up to 20 mm 3 4 20 80mm 3 4 3 1...

Page 64: ......

Page 65: ...and longer life of the band saw machine a maintenance schedule is necessary Some of the daily maintenance usually takes just a little time but will give remarkable results for the efficient and prope...

Page 66: ...ease check the wire brush for proper contact with the saw blade Replace the wire brush if it is worn out After ending a day s work Please remove saw chips and clean the machine with discharging the cu...

Page 67: ...er 2 Ambient temperature 5 40 3 Relative humidity 30 95 without condensation 4 Atmosphere use a plastic canvas to cover machine to avoid excessive dust acid fume corrosive gases and salt 5 Avoid expos...

Page 68: ...oil of 600 hours of using Change it every year Regularly Omala oil HD220 Mobil Gear 630 Hydraulic system Inspect half a year Change oil every year Regularly Shell Tellus 32 Mobil DTE oil Light Hydrau...

Page 69: ...le the machine from operating Generally speaking the system troubles in this machine model can be classified into three types namely GENERAL TROUBLES MOTOR TROUBLES and BLADE TROUBLES Although you may...

Page 70: ...r to Operating Instructions Adjusting Feed Excessive blade speed Refer to Operating Instructions Speed Selection Improper blade selection Refer to Operating Instructions Blade Selection Cannot make sq...

Page 71: ...Install correct fuses or circuit breakers Motor fail to develop full power Power output of motor decreases rapidly with decrease in voltage at motor terminals Power line overloaded with lights applian...

Page 72: ...drive wheel while cutting Wheels out of line Adjust wheels Blade line Run out or Run in Guides out of line For a straight and true cut realign guides check bearings for wear Excessive pressure Conser...

Page 73: ...amped workpiece Check and correct Excessively hard material surface Soften material surface Excessive cutting rate Reduce cutting rate Non annealed workpiece Replace with suitable workpiece Insufficie...

Page 74: ...o attain the horizontal balance leveling between the roller table and the machine frame 2 Ensure that the machine frame is not struck by the loaded material on the feeding table 3 Check the leveling b...

Page 75: ...RT LIST SPARE PARTS RECOMMENDATIONS The following table lists the common spare parts we suggest you purchase in advance Part Name Part Name Saw blade Filter Wire brush Steel plates Carbide inserts Rol...

Page 76: ...10 2...

Page 77: ...10 3...

Page 78: ...10 4...

Page 79: ...10 5...

Page 80: ...10 6...

Page 81: ...10 7...

Page 82: ...10 8...

Page 83: ...10 9...

Page 84: ...10 10...

Page 85: ...normally acceptable practices This warranty does not apply if the machine has been altered or modified without our prior written consent In the case of components or units purchased by Seller includi...

Page 86: ......

Page 87: ......

Page 88: ...Vertical Plate Saws Horizontal Billet Saws NC CNC Band Saws Structural Miter Cutting Saws Automatic Band Saws Industry 4 0 Cosen Predictive Computing Visit our website at www cosen com COSEN MECHATRON...

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