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KENT USA LA Series Manual

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Kent USA LA Series
Lathe Manual

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Summary of Contents for KENT USA LA Series

  • Page 1 Kent USA LA Series Lathe Manual...
  • Page 2 PREFACE We take this opportunity to thank you for your purchase of a Large Swing Lathes. This manual has detailed explanation of every part of the lathe, and machine structure. We request that you read through this manual before you actually use your machine, in order to familiarize yourself with its function and capabilities and to keep the machine in its best operating condition.

  • Page 3: Specification

    SPECIFICATION MODEL LA34120 Bed width 510mm Bed way 3 V ways & 1 flat way Between centers 3000mm Swing over bed 870mm Swing over cross slide 620mm Spindle bore 6 " (Ø 153mm) HEADSTOCK Spindle nose A2-11 Center height 440mm Spindle center MT#6 Spindle motor...

  • Page 4: Table Of Contents

    CONTENTS PREFACE ........................... i SPECIFICATION ........................ii A. INSTALLATION ......................- 1 - A1.1 General ........................ - 1 - A1.2 Location of the installation ................- 1 - A1.3 Foundation drawing ................... - 2 - B.OPERATIONAL ......................- 3 - B1.
  • Page 5 C1. HEAD STOCK ADJUSTMENT ................- 15 - C1.1 Head stock adjustment ..................- 15 - C2. ADJUST THE TAILSTOCK ..................- 17 - C2.1 Adjust the tailstock ................... - 17 - C3. THE ADJUSTMENT OF BELTS TENSION ............- 18 - D1.

  • Page 6: Installation

    A. INSTALLATION A1.1 General The purpose of this manual is to make the user fully understand this machine’s parts, functions, and all the safety precautions, then user can decide the work piece’s material, dimension, and tool to running this machine smoothly and do a good job.

  • Page 7: A1.3 Foundation Drawing

    A1.3 Foundation drawing - 2 -...

  • Page 8: B.operational

    B.OPERATIONAL B1. CONTROL PANEL SYMBOL A . Power switch E . Low Way Lubrication B . Power Lamp F . Jog button. C . Spindle Brake G . Emergent stop D . Coolant switch H . Gear change lever . I .
  • Page 9 M . gear box oil refill plug . N . feed thread option lever . O . feed thread option lever . P . Inch.metric thread optional lever . Q . feed optional panel . R . MT/PT thread , normal thread, feed change lever . TYPE A A .
  • Page 10 1 . Manual X axis feed handle. 2 . Manual Z axis feed handle wheel. 3 . X.Z axis conversion. 4 . Thread change lever. 5 . X.Z axis feed auto change lever. 6 . Thread indicator. ※Please see P36 attachment for thread and feed chart. - 5 -...

  • Page 11: B2. Tailstock Operating Instruction

    B2. TAILSTOCK OPERATING INSTRUCTION B2.1 Manual tailstock A . The quill of tailstock lock bolt B . Tailstock body lock bolt C . Manual oiler D . Tailstock body wedge and adjustment screw E . Lever between high and low feed F .

  • Page 12: B2.2 Manual Tailstock Moving Procedure

    B2.2 Manual tailstock moving procedure 1. Loosen the bolt "A" , "B" at the tailstock . (See following figure) . 2. Rotate hand wheel , to make tailstock forward or backward . 3. Move the Z-axis to suitable position for working process. 4.

  • Page 13: B2.3 Manual Tailstock Use

    B2.3 Manual tailstock use 1. Counterclockwise rotate handle"C"to loosen the quill. (See following figure, clockwise to tighten the quill). 2. Rotate the handle "F" to choose the quill moving speed. ( "H" : high speed , "O" : neutral , "L" : low speed ) 3.

  • Page 14: B4. Safe Switch And Control

    B4. SAFE SWITCH AND CONTROL B4.1 Side door safe switch The construction of side door safe switch is showed as below picture. If the door is open, the machine can not operate; if door is closed the machine can continue operating. - 9 -...

  • Page 15: B4.2 Auto Feed Limited Switch

    B4.2 Auto feed limited switch A : Switch (when lathe do auto feed and "A" touch "B" the auto feed will stop immediately) . B : Adjustable stop circle dog. B4.3 Z-axis lock C: When the C is locked,the Z axis cannot move. - 10 -...

  • Page 16: B4.4 Oil Indicator

    B4.4 Oil indicator H : This indicator show the oil flow in headstock. I : This indicator show in head stock whether the oil is enough. B4.5 Bed way lubrication system B4.5.1 Auto oil injector operation A . Control box B .

  • Page 17: B4.5.2 Operation

    B4.5.2 Operation 1. Please connect to the applicable power supply (please check the specifications on the motor). 2. This oiler is used for timing control action and intermittent time, and is used with straight-through (open) distributor or proportional joint. 3. After the oil pipe is connected, the discharge amount can be adjusted by the pressure regulating valve and rotated counterclockwise.

  • Page 18: B4.5.3 Auto Oil Injector Setting And Remarks

    B4.5.3 Auto Oil Injector Setting and Remarks ※ Time Setting： 1. Press the left "↑" button and "F" button for adjusting the action time. Press the left ↑ button to increase action time and press "F" button to decrease it. 2.

  • Page 19: B4.6 Electrical Magnetic Brake Disc / Use Method

    B4.6 Electrical Magnetic Brake Disc / use method When running the brake system to stop the spindle, first turn the knob of "Fig. 1" and "Fig. 2" to the middle to stop the motor, then switch the "SPINDLE BRAKE" knob to ON until the spindle Stop turning ※Do not Press the knob on brake, this action is easy to damage the electromagnetic brake.

  • Page 20: C1. Headstock Adjustment

    C1. HEADSTOCK ADJUSTMENT C1.1 Headstock adjustment A. When do external diameter cutting, the finish become taper precision range ( 300mm long/ 0.015mm ) workpiece . B. When do external facing cutting, the finish become convex precision range ( 300mm long/ 0.01mm ) workpiece . C.
  • Page 21 To measure the erroneous data by indicator the loosen the found M30 nuts. A、C : M5 screw B、D : M8 hexagonal screw A、C : M5 screw B、D : M8 hexagonal screw 1. View from this side，you need to move the headstock to the right side： step1.

  • Page 22: C2. Adjust The Tailstock

    C2. ADJUST THE TAILSTOCK C2.1 Adjust the tailstock If cut long workpiece and it need steady rest to support, if the cutting result cant reach the requested linearity. It needs to adjust tailstock. Adjusting steps: 1. Loosen the nuts "A" and "B". 2.

  • Page 23: C3. The Adjustment Of Belts Tension

    C3. THE ADJUSTMENT OF BELTS TENSION The tension of the belt which in the center of spindle motor and spindle. If press 4.6 kgpressure. The elastic distance should be about 10.9 mm. 1. If the belt is loose： Step1. Loose the "A" nut firstly. Step2.

  • Page 24: D1. Machine Maintenance

    D1. MACHINE MAINTENANCE D1.1 Notice for maintenance 1. Keep machine away from directly sunshine and heat, because they may cause precision error. 2. Install the machine at the dry and suitable ventilation place. 3. Keep machine away from crank and electrical welding machine. 4.

  • Page 25: D1.3 Cleaning Item

    CHECKING ITEMS 84hr 360hr 1080hr 2160hr 4320hr ITEM \ TIME ˇ Spindle precision checking ˇ ˇ X , Z axes precision checking Checking all the electrical ˇ ˇ ˇ connector, switch,button, and plug. ˇ ˇ ˇ ˇ Belt tension Note : The time is actual machine running time . A.
  • Page 26 2. The coolant tank. The lubricator oil for X, Y-axis may flow into coolant tank, and it will make the coolant become contaminated. And the fallen chip from cutting will stop the coolant flow in the tank; also will make the coolant contaminated.

  • Page 27: D1.4 Cutting Water Maintenance

    Note: The time is actual machine running time. Exchange the hydraulic oil Clean the oil tank before refill the new oil. Please see page 87 suitable oil. D1.4 Cutting Water maintenance Fill up the lubrication oil tank for X, X-axis ball screw and slide way. X, Z-axis central lubrication system.

  • Page 28: D1.6 Recommend Oil

    D1.6 Recommend oil BRAND \ TYPE HL32 Mobil oil Mobil Vactra oil NO.2 Mobil DTE oil Lighet Shell oil Shell Tonna oil T68 Teresso 32 Esso Standard oil Febis K68 Shell Terrus oil C32 Mitsubishi oil Diamond Slideway 68 Diamond Lube R032 Nippon oil Uniway 68 FBK oil R032...

  • Page 29: D1.7 Oil List

    D1.7 Oil list Spindle gear in Slide way and ball Lubrication Hydraulic system headstock screw (Viscosity) ISO Viscosity ISO VG32 (Viscosity) ISO VG682 VG32 Viscosity degree 95 (Viscosity degree) 100 (Viscosity degree) 95 Anti-corrosion, Anti-corrosion, Oil characteristics Anti-corrosion, anti-foaming. anti-foaming. anti-foaming.

  • Page 30: E1. The Cutting Condition For Hard Material

    E1. THE CUTTING CONDITION FOR HARD MATERIAL E1.1 Cutting condition for the drill Feed Rate Feed Rate 0.2-0.5 mm/rev 0.05-0.2 mm/rev Material Symbol Cutting Cutting Speed Tool Speed Tool Ft / min Ft / min S20C - S30C 459 - 590 492 - 754 Construction S35C - S45C...
  • Page 31 CUTTING CONDITION OF THE DRILL FOR THESE MATERIAL Material Cutting Speed Ft/min 0.4C > 78.7 - 108.2 Carbon Steel 0.4C - 0.7C 59 - 78.7 0.7C < 39.3 - 59 60 kg/mm2 49.2 - 59 Alloy Steel 60 - 80 kg/mm2 29.5 - 49.2 80 kg/mm2 16.4 - 29.5...

  • Page 32: E1.2 Cutting Speed

    E1.2 Cutting speed π‧D‧N 1000 V = Cutting speed (m/min) D = Diameter (mm) N = Spindle speed (rpm) - 27 -...

  • Page 33: E2. Electric Manual

    E2. ELECTRIC MANUAL - 28 -...
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  • Page 39: E3. Maintenance Time

    E3. MAINTENANCE TIME E3.1 Daily maintenance 1. Check the oil level and lubrication level, supply the oil when the level is low. 2. Keep the machine clean after the operation is finished and to do anti-rust process for slide way everyday. 3.

  • Page 40: Safety Precautions

    F. SAFETY PRECAUTIONS In order to prevent any accident on the operator and keep machine running normally, here are some precautions have to be followed when operating the machine. Use the safety equipment, such as safety glasses to protect the eyes, and also safety shoes.

  • Page 41: G.attachments

    G. ATTACHMENTS G1.1 THREAD / FEED CHART - 36 -...

This manual is also suitable for:

La34120

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