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Cosen C-620NC Instruction Manual Download Page 60

4

‐

26

 

ADJUSTING

 

WIRE

 

BRUSH

 

 

Follow

 

these

 

steps

 

to

 

adjust

 

wire

 

brush

 

to

 

appropriate

 

position:

   

Step

 

1

 ‐ 

Loosen

 

the

 

wire

 

brush

 

knob

 

screw.

 

Step

 

2

 ‐ 

Make

 

brush

 

move

 

up

 

/

 

down

 

until

 

it

 

makes

 

proper

 

contact

 

with

 

the

 

saw

 

blade

 

(see

 

below

 

illustration).

  

Step

 

3

 ‐ 

Tighten

 

the

 

wire

 

brush

 

knob

 

screw.

 

 

 

Proper

 

Improper

 

 

 

 

 

ADJUSTING

 

COOLANT

 

FLOW

 

 

Step

 

1

 

–

 

Press

 

the

 

saw

 

blade

 

start

 

button

 

to

 

start

 

the

 

saw

 

blade

 

drive

 

motor.

  

Step

 

2

 

–

 

Press

 

the

 

saw

 

bow

 

down

 

button

 

to

 

lower

 

the

 

saw

 

bow.

 

Step

 

3

 

–

 

Use

 

the

 

flow

 

control

 

valve

 

(shown

 

below)

 

to

 

adjust

 

the

 

amount

 

of

 

fluid

 

flowing

 

to

 

the

 

cutting

 

area.

 

 

 

 

Adjust

 

the

 

flow

 

amount

 

if

 

you

 

observe

 

the

 

following

 

changes

 

to

 

the

 

chips

 

generated

 

from

 

cutting.

  

 

If

 

the

 

chips

 

are

 

sharp

 

and

 

curved,

 

increase

 

the

 

coolant

 

flow

 

amount.

 

 

If

 

the

 

chips

 

are

 

granulated,

 

decrease

 

the

 

coolant

 

flow

 

amount.

 

 

Summary of Contents for C-620NC

Page 1: ...COSEN SAWS C 620NC SNC 100 Programmable Automatic Mass Production Horizontal Bandsaw Instruction Manual The Pinnacle of Cutting Performance Cosen Mechatronics Co Ltd...

Page 2: ......

Page 3: ...0 fax 31 77 7600288 For China email service cosensaws cn phone 86 152 50127815 Instruction Manual C 620NC SNC 100 Programmable Automatic Mass Production Horizontal Bandsaw Ver 2 2016 12 5 2013 by COSE...

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: ...fication 2 3 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 4 Removing Shipping Bracket 3 6 Cleaning 3 6 I...

Page 6: ...nning the Machine 4 29 Cutting Operation 4 30 Starting an Automatic Operation 4 31 Using Top Clamp for Bundle Cutting 4 31 Terminating a Cutting Operation 4 32 Section 5 Electrical System 5 1 Electric...

Page 7: ...8 4 Section 9 Troubleshooting 9 1 Introduction 9 1 Precautions 9 2 General Troubles Solutions 9 2 Minor Troubles Solutions 9 3 Motor Troubles Solutions 9 3 Blade Troubles Solutions 9 4 Sawing Problem...

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: ...safeguard devices under any circumstances except when servicing the machine Even skilled service technicians should still take cautions when performing repairs or service on the machine with any of th...

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 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: ...rchangeable tungsten carbide Cleaning Steel wire brush with flexible drive shaft driven by main motor Motor Output Saw Blade 10 HP 7 5 kW Hydraulic 2 HP 1 5 kW Coolant Pump 1 4 HP 0 19 kW Tank Capacit...

Page 21: ...ENTIFICATION Idle wheel Electrical Compartment Chip conveyor optional Control Panel with Dual Control Valve Drive wheel Blade Guide Arm Cross Link Column Vertical Alignment roller Blade Motor Discharg...

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

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

Page 24: ......

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

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: ...form 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 four ends of the mac...

Page 28: ...Illustration Lifting Points Remove cross beam and left right splash shields before lifting the machine Minimum weight capacity for each wire rope 5 5 ton Total number of wire ropes required 4 Cross b...

Page 29: ...ified forklift operator 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 k...

Page 30: ...surfaces that are prone to rust Do not remove the rust preventive grease with a metal scraper and do not wipe the painted surfaces with solvent as doing so would damage surface paint INSTALLING Cosen...

Page 31: ...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 Co...

Page 32: ...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 blade and che...

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: ...G INSTALLING THE BLADE ADJUSTING WIRE BRUSH ADJUSTING COOLANT FLOW ADJUSTING SAW ARM ADJUSTING BLADE SPEED PLACING WORKPIECE ONTO WORKBED POSITIONING WORKPIECE FOR CUTTING BREAKING IN THE BLADE TEST R...

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: ...understand the function of each switch and button before operating the machine No Name No Name 1 Emergency stop button 7 Rear vise open button 2 Power indicator lamp 8 Rear vise clamp button 3 Saw bo...

Page 39: ...saw bow rises until the operator lets go of the button or until the saw bow touches the upper limit switch While pressing the saw bow up button can stop the running blade please still make use of the...

Page 40: ...vise is disabled due to safety concerns 10 Feed backward button When this button is pressed the feeding workbed will move backward Press and hold the button to feed backward As soon as the button is...

Page 41: ...de descend speed is a determining factor to a good cutting time and quality cutoff surface Set the blade descend speed in accordance with the cutting pressure control knob Also commonly known as the f...

Page 42: ...e main operation menu Main control menu The main control menu includes some operating button that were used on the control panel of the earlier machines Some convenient functions are added to the page...

Page 43: ...on to turn on the work light The light bulb showing a solid yellow icon indicates the worklight has been turned on Press again to turn off the work light 6 Material retract 2mm ON OFF When this functi...

Page 44: ...rectly proceed into automatic cutting till the last cutting job If you switch to manual mode while cutting is already in action under AUTO mode the machine will stop after the individual cut is finish...

Page 45: ...o not need to trim cut the material The first cut will then be counted as the first cut of your programmed jobs After the first cut begins you may still change your selection before the saw bow has de...

Page 46: ...rrent blade speed Press to key in blade speed 24 yellow highlight Error display Displays error messages in the order of occurrences press the message for one second to clear the messages The message m...

Page 47: ...ing status display This page shows the following information from top to bottom Current blade height Press Height zero for 1 second to reset the blade height to zero Yellow blink icon indicates that r...

Page 48: ...crease cutting rates and decrease cutting vibration When blade is not running press to switch between laser quick approach and height encoder quick approach Laser quick approach When cutting starts sa...

Page 49: ...matic mode End Job Key in the number of the job you wish to execute last under automatic mode Current blade life in hours Error message bottom of page Press Home to return to the main control menu Pre...

Page 50: ...ngth column set each respective cutting length in mm or inch In Quantity column set each respective cutting quantity Press Cut Reset button for 3 seconds to reset the cutoff quantity If you start a ne...

Page 51: ...ram setup page the same as page 3 of the cutting status display and setup page This setup page is the same as page 3 of the cutting status display and setup page Material cutting reference This 2 page...

Page 52: ...ce Press Home to return to the main control menu Press Next to go to the troubleshooting support page Page 2 troubleshooting Provides suggestions on troubleshooting 6 pages in total Also refer to belo...

Page 53: ...ch works M313 Saw blade motor abnormal Check if the blade motor overload relay has tripped M314 Hydraulic motor abnormal Check if the hydraulic motor overload relay has tripped M315 Coolant pump abnor...

Page 54: ...e blade speed the speed motion detector also functions as a safety device The speed motion detector protects operators and the machine by preventing blade overloads and consequent damages if a saw bla...

Page 55: ...r to detect the material top After laser sensor detects the material top wire brush will automatically goes up Saw bow will descend according to preset cut speed When laser reflect piece is dirty plea...

Page 56: ...bring chips out during cutting As a regular maintenance remove the chip conveyor and clean all chip deposits inside Vise pressure regulator This adjustment valve is used to control vise pressure Adju...

Page 57: ...g Height encoder With this optional device the operator can input work piece width via HMI touch panel When cutting begins and the blade starts to descend the panel will display the current blade heig...

Page 58: ...blade for your workpiece considering the size shape and material Step 2 Turn on the machine power by switching to ON and press the hydraulic start button Step 3 Switch to manual mode Step 4 Press the...

Page 59: ...nge of the drive wheel Step 13 Make sure the back of the blade is also pressed against the flange of the idle wheel Step 14 Turn the tension controller handle to position to obtain blade tension Step...

Page 60: ...er ADJUSTING COOLANT FLOW Step 1 Press the saw blade start button to start the saw blade drive motor Step 2 Press the saw bow down button to lower the saw bow Step 3 Use the flow control valve shown b...

Page 61: ...idth according to the scale on top of the sliding board ADJUSTING BLADE SPEED Step 1 Set the flow control to 0 position Step 2 Press the saw blade start button to start the blade Step 3 Press the blad...

Page 62: ...ward button until the rear vises reach back limit switch 7 Press the rear vise clamp button until the workpiece is securely clamped again front vises open prepare for precision position 8 Simultaneous...

Page 63: ...machine performance in the future We suggest you run the following tests on the machine before first use Testing machine performance Turn on the power and run a basic performance test after you finis...

Page 64: ...s are opened to at least wider than the width of the workpiece Step 3 Position your workpiece Step 4 Clamp the workpiece Step 5 Turn the cutting pressure control knob to adjust cutting pressure accord...

Page 65: ...t on HMI screen If using quick approach device control mode adjust the quick approach bar until it is approximately 10mm 0 4inch above the workpiece Step 3 Turn the Auto manual switch to manual Step 4...

Page 66: ...ering across the work tray Adjust the width of the fence to be slightly larger than the width of the bundle Step 5 Press Single Bundle cutting mode button and switch to bundle cutting mode Step 6 For...

Page 67: ...5 1 Section 5 ELECTRICAL SYSTEM ELECTRICAL CIRCUIT DIAGRAMS...

Page 68: ...5 2...

Page 69: ...5 3...

Page 70: ...5 4...

Page 71: ...5 5...

Page 72: ......

Page 73: ...6 1 Section 6 HYDRAULIC SYSTEM HYDRAULIC CIRCUIT DIAGRAM...

Page 74: ...6 2...

Page 75: ...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 76: ...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 77: ...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 78: ...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 79: ...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 80: ......

Page 81: ...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 82: ...ade is properly clamped by the left and right inserts 5 Please 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 remo...

Page 83: ...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 84: ...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 Hydraulic 24 Bearing Ins...

Page 85: ...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 86: ...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 87: ...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 88: ...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 89: ...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 90: ...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 91: ...wing table lists the common spare parts we suggest you purchase in advance Part Name Part Name Saw blade Coolant tank filter Wire brush Steel plates Carbide inserts Rollers Bearings Belt Hydraulic tan...

Page 92: ...10 1...

Page 93: ...10 2...

Page 94: ...10 3...

Page 95: ...10 4...

Page 96: ...10 5...

Page 97: ...10 6...

Page 98: ...10 7...

Page 99: ...10 8...

Page 100: ...10 9...

Page 101: ...10 10...

Page 102: ...10 11...

Page 103: ...SDM 1030A left movable insert 1 14 AHA 0704A top insert EU79 2 15 AGB 70410A pin 2 16 SDM 1035 washer 2 17 PP 14270 bearing 6200VV 8 18 SDM 1034 roller pin 2 19 AHA 0707C roller pin 2 20 PBA 6 35 hex...

Page 104: ...10 13...

Page 105: ...10 14...

Page 106: ...10 15...

Page 107: ...10 16...

Page 108: ...10 17...

Page 109: ...10 18...

Page 110: ...10 19...

Page 111: ...10 20...

Page 112: ...10 21...

Page 113: ...10 22...

Page 114: ...10 23...

Page 115: ...10 24...

Page 116: ...10 25...

Page 117: ...10 26...

Page 118: ...QTY 1 C560L 2105 Gear 1 2 C800H 2109 Tooth bar 1 3 EP 90491F Encoder LS 1 4 M3L 9 10 Spring 1 5 C 320G 2103 Encoder movable seat 1 6 C320G 70536 Encoder fixed seat 1 7 C620H 2110 Encoder fixed plate 1...

Page 119: ...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 120: ......

Page 121: ......

Page 122: ...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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