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Summary of Contents for Knuth KHT C
- Page 1 Machine Tools OPERATING INSTRUCTIONS Hydraulic CNC shearing machine OPERATION MANUAL KHT C Part No.: 132559, 132561, 132580, 132582, 132573, 132575, 132570, 132571 Date: 1-2006 KHT C...
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Page 2: Table Of Contents
TROUBLE SHOOTING ..............................41 1) How to quickly and exactly find the problem? Where is the problem?............41 2) How to judge the type of problem? ........................41 4）Trouble of electric system ..........................44 5）Trouble of mechanism ............................45 KHT C... -
Page 3: Introduction
If the problem arises that is not covered in this manual, do not fail to contact our service department. We want you shear to give satisfaction. In write for information, please refer to you shear by model and serial number. These can be found on the metal name plate. KHT C... -
Page 4: Security Instruction
Keep incompetent persons away from the working area Take care, that there are no persons in your working area witch could be exposed to danger. Children and visitors should be kept in a secure distance to the working area. KHT C... - Page 5 Take care about the position of your feed. Never climb on the machine, because dangerous injury may result from falling down or contacting moving parts. Accessories and accessory parts Only use accessories and accessory parts witch are specified by the operation manual or KHT C...
- Page 6 Before you work with cleaning solvent you should read the instruction of the fluid, to prevent accidents. Leaving the machine Never leave the machine while it is running. Alcohol, medicaments, drugs Never use the machine under influence of alcohol, medicaments or drugs Danger of fire Don’t use highly inflammable fluids. KHT C...
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Page 7: Main Parameter Table (Table 1-1)
3300 6100 9000 9000 14500 16500 9000 11000 oil capacity 5-40 ℃ ambient temperature Environment 30-95% Non-frozen humidity Max 1000m installation altitude ℃ to 55℃ Transport or storage temperature Tolerance of voltage Tolerance frequency ≤75 db Maximum Noise KHT C... -
Page 8: Transportation And Installation
Storage must never be carried out in open air (wet environment). Defect may occur in the valve sockets or electrical parts. 3. Operation area of the machine It is recommended the enough working area of the machine. (SEE FIGURE1.1) KHT C... -
Page 9: Unloading
3) Prepare for shimming by placing steel plates of equal thickness over each foundation bolt. These plates will provide a bearing surface for leveling shims. CAUTION: When grouting is used, grout only under housing feet. Do not grout KHT C... - Page 10 Machine Tools OPERATING INSTRUCTIONS under beds which extend below floor line. Figure 1 .2(Lifting) KHT C...
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Page 11: Leveling
Use a precision level, not a carpenter’s or machinist’s level. The level must e calibrated to within 0.1mm per meter to properly level the shear. Please the level on the table. Check the level with horizontal and vertical direction. c) Adjust the leveling screws( SEE FIGURE 1.5) Figure 1.5 KHT C... -
Page 12: Operation Safety
3. Absolutely do not in any way bring near a part of your close to the operation zone. 4. Absolutely do not attempt to actuate the machine, carry out service and maintenance or change parts without consulting your executive. KHT C... - Page 13 14. On the sides of the machine rear, safety guards are available during operation of machinery, when someone places themselves behind the machine, the machine will turn-back to the topmost position and come to a stop. 15. It’s recommend to use ear plug when operation in order to prevent the noise hazards. KHT C...
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Page 14: Lubrication
Lead screw nuts on back-gauge( R & L) DAILY Swim beam bearing(R & L) DAILY Main cylinder piston rods(R & L) DAILY Cylinder Pads(R & L) DAILY Hydraulic oil tank: The oil must be changed or filtered after working for one month. KHT C... - Page 15 Machine Tools OPERATING INSTRUCTIONS Before refill, the oil tank must be cleaned. 1. Back cylinder 1.Back cylinder 2. Screw of back-gauge 3.Bearing of swim beam 4. Main cylinder rods 5.Main cylinder pad KHT C...
- Page 16 OLNA 32 OLNA 46 RENAULT-ELF SHELL ALVANIA EP grease #1 TELLUS 32 TELLUS 46 VALVOLINE ULTRAMAX 32 ULTRAMAX 46 VEEDOL ANDARIN 32 ANDARIN 32 YACCO TRANSHYD 32 TRANSHYD32 GULF HARMONY 32AW HARMONY 46AW CASTROL AWS 32 AWS 32 Mobil KHT C...
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Page 17: Machine Operation
Before the machine is switched on, the inspection has to be made if the voltage and frequency of power supply have been in accordance with the specifications of machine. See the table (4-1) KHT C... -
Page 18: D) Install The Foot Pedal To The Machine
Warning: The motor rotation direction must correct. You are permitted to start the motor only a short time in order to check the rotation direction of motor. If you run the motor with wrong direction for too long time, it will damage the pump. KHT C... -
Page 19: Staring
If the light goes out, the shear should be shutdown and checked for possible malfunction. Key switch When the key in the OFF position, The shear can’t be operated. This can prevent unauthorized operation of the shear. KHT C... -
Page 20: B) Gap Adjustment
Details please see CNC operation manual. Table (4-2) list below can help you determine the gap when shear different material. NOTE: Gap calculated by CNC system is according to the plain carbon steel (tensile strength) 405Mpa. When shear another material you must manually adjust the gap according to table (4-2). KHT C... - Page 21 Machine Tools OPERATING INSTRUCTIONS Table 4-2 KHT C...
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Page 22: C) Finely Adjust The Back-Gauge
The adjustment range of back gauge is 20-1000mm. When the cutting width is longer than the maximum Back gauge range, the back gauge bar can be run to its further back position to be lifted up by means of a lifting cam to cut up to any length you wish. KHT C... -
Page 23: Maintenance
Loose bolt 2(see figure 5.5), adjust bolt 1 to push the ram of the back-gauge ahead. After finished tighten the bolt2. 3. Blade adjustment The adjustment of the blade is made in our factory before delivery. However, it is necessary to adjust the blade after the grinding process is completed. KHT C... -
Page 24: How To Adjust The Bottom Blade
Adjust the bottom blade (see figure 5.7) Figure 5.7 Loose nut 3, push the blade use bolt 2 or pull the blade use bolt 1. WARINING: Using gloves and extreme care when handling blades. The blades are KHT C... - Page 25 5.8 Table 5-1 Recorder of the top blade change Edge Date By Whom Edge Date By Whom Sharpened or replaced Recorder of bottom blade change Edge Date By Whom Edge Date By Whom Sharpened or replaced KHT C...
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Page 26: Charge The Nitrogen To The Back Cylinder
4. Charge the nitrogen to the back cylinder WARNING: Strictly forbid charge the oxygen or flammable gas to the back-cylinder. It will cause serious danger. When the pressure of N in the ram cylinder is low, you should refill it. The method is KHT C... - Page 27 Open the valve of the nitrogen bottle and fill the gas to the cylinder. The pressure is about 4.5MP g) After finished, close the nitrogen bottle and counter clockwise turn the hand wheel. Then you can remove the valve unit. h) Close the ball valve. Figure 5.9 KHT C...
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Page 28: Hydraulic System
Machine Tools OPERATING INSTRUCTIONS HYDRAULIC SYSTEM 1. Hydraulic schematic diagram (Figure 6.1) 3 YV1 0-40Mpa Action Return Shear Magnet KHT C... -
Page 29: Valve Location Diagram (Figure 6.2)
Machine Tools OPERATING INSTRUCTIONS 2. Valve location diagram (Figure 6.2) KHT C... -
Page 30: Hydraulic Elements List (Chart 6-1)
Prevent the oil return to the pump when shearing. Clamping cylinder Clamp the sheet metal Cutting cylinder Main cylinder of machine. Nitrogen back cylinder. It drives the knife beam return to top dead Back cylinder point after end of shearing. Oil filter Oil filter KHT C... -
Page 31: Main Cylinder: (Figure 6.3)
Machine Tools OPERATING INSTRUCTIONS 4. Main cylinder: (Figure 6.3) KHT C... -
Page 32: Back Cylinder And Clamp Cylinder :(Figure 6.4)
Machine Tools OPERATING INSTRUCTIONS 5. Back cylinder and clamp cylinder :(Figure 6.4) KHT C... -
Page 33: Electric System
Machine Tools OPERATING INSTRUCTIONS ELECTRIC SYSTEM Electric schematic diagram (Figure 7.1-1) KHT C... -
Page 34: Electric Schematic Diagram (Figure 7.1-2)
Machine Tools OPERATING INSTRUCTIONS Electric schematic diagram (Figure 7.1-2) KHT C... -
Page 35: Electric Schematic Diagram (Figure 7.1-3)
Machine Tools OPERATING INSTRUCTIONS Electric schematic diagram (Figure 7.1-3) KHT C... -
Page 36: Electric Schematic Diagram (Figure 7.1-4)
Machine Tools OPERATING INSTRUCTIONS Electric schematic diagram (Figure 7.1-4) KHT C... -
Page 37: Electric Cabinet And Operation Station (Figure 7.2)
Machine Tools OPERATING INSTRUCTIONS Electric cabinet and operation station (Figure 7.2) KHT C... - Page 38 Transformer Jiuchuan JBK5-630 Transformer Jiuchuan KM1-3 A40-30-10 Contactor TA25DU32 Thermal protect relay A9D-30-01 Contactor A9D-30-01 Contactor KP1-10R Button KP1-11G Button with LED KPMT3-10R Emergency stop button KPMT3-10R Emergency stop button KPMT3-10R Emergency stop button KP1-11G Button KP1-10B Button KHT C...
- Page 39 Limit switch National TS236-20Z-M20 Telemecanique FR-S540-0.4K Frequency convector Mitsubishi S7-200 SIEMENS Encoder 200pluse PM4H-A Time relay National A9D-30-01 relay CR-M02DC4L Relay PONZ X2 Safety module Pilz GSF2Ö/2S Foot pedal 22KW Main motor 0.38KW Back-gauge motor 0.18KW Gap motor KHT C...
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Page 40: Mechanism
Machine Tools OPERATING INSTRUCTIONS MECHANISM Gap adjustment and beam rotation device (Figure 8.1) KHT C... -
Page 41: Trouble Shooting
The next figure (figure8.1) will help you judge it. Note: Area 1 is electric problem Area 2 is hydraulic problem Area 3 is mechanism problem Gap motor is for two axis CNC machine only. Some parts are not included in this figure such as back-cylinder, manpower KHT C... - Page 42 The oil is not Change the hydraulic oil cleanness Change the pump Pump is damaged Hold feet clamp Fill the nitrogen gas to the cylinder. too late or no The back-cylinder enough clamp has low pressure force KHT C...
- Page 43 Pressure valves error Knife beam can’t pressure Charge the nitrogen gas to the cylinder back back-cylinder Open the ball-vale on the right side of the Ball valve be shut off machine. Pressure haven’t been Check the pressure valve unloaded KHT C...
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Page 44: 4）Trouble Of Electric System
Reset the emergency stop module not reset Beam can’t Down relay no action Check down relay and its control down circuit. pump rotation Change the input phase of power direction error Solenoid valve error Change the solenoid valve KHT C... -
Page 45: 5）Trouble Of Mechanism
Ball valve Open the ball valve at the right side of the closed machine. Ram can’t back Semicircle ball Check the end of piston rod on main cylinder. to top position displacement Reset the semicircle ball on it. KHT C... - Page 46 Machine Tools OPERATING INSTRUCTIONS KHT C...
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