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Jet ETM–949EVS Operating Instructions Manual

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Operating Instructions and Parts Manual
MILL
Models: ETM–949 and ETM–949EVS
®
JET
427 New Sanford Road
LaVergne, Tennessee 37086
www.jettools.com
Ph.: 855-336-4032
This .pdf document is bookmarked
Part No. M-894010
REV D1 10/2018
Copyright © 2017 JET

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  • Page 1 This .pdf document is bookmarked Operating Instructions and Parts Manual MILL Models: ETM–949 and ETM–949EVS ® 427 New Sanford Road Part No. M-894010 LaVergne, Tennessee 37086 REV D1 10/2018 www.jettools.com Ph.: 855-336-4032 Copyright © 2017 JET...

  • Page 2: Warranty And Service

    Technical Service by calling 1-855-336-4032, 8AM to 5PM CST, Monday through Friday. WARRANTY PERIOD The general warranty lasts for the time period specified in the literature included with your product or on the official JET branded website, jettools.com. WHO IS COVERED? This warranty covers only the initial purchaser of the product from the date of delivery.
  • Page 3 Canada by JPW Industries, Inc. NOTE: JET is a division of JPW Industries, Inc. References in this document to JET also apply to JPW Industries, Inc., or any of its successors in interest to the JET brand.

  • Page 4: Table Of Contents

    ® Do not use this turret mill for other than its intended use. If used for other purposes, JET , disclaims any real or implied warranty and holds itself harmless from any injury that may result from that use.

  • Page 5: Safety Warnings

    Wear ear protectors (plugs or muffs) during extended periods of operation. Do not operate this machine while tired or under the influence of drugs, alcohol or any medication. Make certain the switch is in the OFF position before connecting the machine to the power supply. 10.

  • Page 6: Introduction

    If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our web site: www.jettools.com. Retain this manual for future reference. If the machine transfers ownership, the manual should accom- pany it.

  • Page 7: Unpacking

    6.0 UNPACKING Open shipping container and check for shipping damage. Read and understand the entire contents of this Report any damage immediately to your distributor and manual before attempting set-up or operation! shipping agent. Do not discard any shipping material until Failure to comply may cause serious injury.
  • Page 8 Note: The accompanying diagrams show you the max- Some of the following steps may have already been per- imum dimensions of the machines with the table, ram, formed on the machine. If so, ignore the instructions related etc., fully extended in all possible directions. When to those particular steps.
  • Page 9 ETM–949 DIMENSIONS Fig. 2 ETM–949 | ETM–949EVS...
  • Page 10 ETM–949 OVERVIEW AND TERMINOLOGY Speed Range Panel Spindle Brake Vari-Speed Handwheel Hi/Lo Shift Lever Coarse Feed Feed Rate Lever Handle Power Feed Lever Fine Feed Handwheel Feed Direction Motor Switch Control Feed Trip Cam Lever Quill Locking Lever Quill Stop Head Assembly Lifting Ring Turret...

  • Page 11: Electrical Connections

    8.0 ELECTRICAL CONNECTIONS power leads. 8.3 LUBRICATION All electrical connections must be made by a Do not operate the mill before lubricating the qualified electrician! Failure to comply may cause machine fully. Failure to comply may cause damage serious injury! to the machine.
  • Page 12 Motor Switch Fig. 4 Fig. 5 MILL...

  • Page 13: Speed Control

    9.3 SPEED CONTROL 9.3.1 VARIABLE SPEED CONTROL Change speed only while the spindle is turning. Brake Lever The vari-speed handwheel (A, Figure 6) is used to control Fig. 7 the spindle speed. The speeds for high and low speed ranges are displayed on the panel on the front of the mill 9.5 HIGH-NEUTRAL-LOW SHIFT LEVER head (B, Figure 6).

  • Page 14: Feed Rate Lever

    Note: The knob is spring loaded – pull out to rotate to new position. It is recommended to disengage the power feed Unlike other controls on the machine, the lever shifts into worm gear whenever the power feed is not required. engagement more easily with the motor running, and the This avoids unnecessary wear on the worm gear.

  • Page 15: Feed Direction Control

    9.9 FEED DIRECTION CONTROL 9.11 QUILL LOCK LEVER The Feed Direction Control (B, Figure 12) determines The Quill Lock Lever (B, Figure 13) is located on the right whether the power feed will move up, down, or not move side of the head. Rotate the handle clockwise to lock the at all.

  • Page 16: Depth Scale And Stop

    9.14 DEPTH SCALE AND STOP Engage the Feed Trip Cam Lever (D) by pulling away from head assembly. Referring to Figure 14: Adjust Micrometer Adjusting Nut (H) against Quill Stop The Depth Scale and Stop are used in drilling operations (G).

  • Page 17: Draw Bar Operation - Changing Tooling

    9.17 CLAMPING WORK PIECE TO THE TABLE The worktable has 5/8-inch T-slots for clamping the work piece to the table. Set motor switch to STOP position. Place the work piece on the table. Clamp the work piece using the T-slot clamps, studs, and step blocks as required (Figure 17).

  • Page 18: Mill Head - Fore/Aft Adjustment

    10. Recheck perpendicularity using the dial indicator. Repeat the procedure above until the dial indicator reads zero in both positions. Be sure to apply torque in two steps using a cross- ing pattern. Failure to do so could distort the face of the ram adapter.

  • Page 19: Positioning The Ram

    c. Set up a dial indicator in a collet and secure using Positioning the Ram on its Turret: the draw bar (refer to Figure 20). Make sure the machine base is secured to the floor before repositioning the ram. The center of gravity can shift enough to cause the machine to tip over, resulting in serious injury to the operator and dam- age to the machine.

  • Page 20: Gib Adjustment

    10.4 GIB ADJUSTMENT 10.5 POWER FEED TRIP LEVER MECHANISM The table, saddle and knee are equipped with adjustable Refer to Figure 23. gibs. The gibs may require adjustment if unusual vibration The power feed trip lever mechanism will need to be is noted when the locking mechanisms are off, or if you ex- adjusted if worn or whenever any trip lever mechanism perience unusual vibration when spindle speed, tooth pitch...
  • Page 21 10. Check for correct operation using the coarse feed Tighten the two nut locking screws. handle. If operating correctly, start the drive motor Using the cross-feed crank, move the table to the and engage the power feed mechanism. Verify that middle position.

  • Page 22: Spindle Pin (Collet Retention)

    10.7 SPINDLE PIN (COLLET RETENTION) A spindle pin (set screw) protrudes into the interior of the spindle to prevent a collet from rotating inside the spindle. It has been set by the manufacturer to protrude 1.6mm be- yond the interior spindle wall. However, collets may have varied groove depths.

  • Page 23: Maintenance

    11.0 MAINTENANCE Before any intervention on the machine, disconnect it from the electrical supply by pulling out the plug or switching off the main switch! Failure to comply may cause serious injury. 11.1 LUBRICATION Fig. 28 The milling machine is equipped with a “auto lube” lu- brication system.

  • Page 24: Recommended Speed For Mill And Drill Operation

    45-90 Non-proprietary parts, such as fasteners, can be found at Malloable iron 37-45 45-90 local hardware stores, or may be ordered from JET. Steel (Soft) 60-90 75-105 Some parts are shown for reference only, and may not be Steel (Medium)
  • Page 25 TABLE ASSEMBLY — ETM–949, ETM–949EVS ETM–949 | ETM–949EVS...
  • Page 26 TABLE ASSEMBLY PARTS LIST Index No. Part No. Description Size Qty. ETM949-A01 Table 9”×49” ETM949-A02 Left Bearing Bracket ETM949-A03 Right Bearing Bracket ETM949-A04 Dial Holder ETM949-A05 Inch Dial inch ETM949-A06 Dial Nut ETM949-A07 Ball Crank Handle ETM949-A08 Ball Crank Handle Lever 3/8”-16UNC ETM949-A09 Lock Nut...
  • Page 27 BASE ASSEMBLY — ETM–949, ETM–949EVS 53 7 59 10 14 13 87 86 ETM–949 | ETM–949EVS...
  • Page 28 BASE ASSEMBLY PARTS LIST Index No. Part No. Description Size Qty. ETM949-B01 Body ETM949-B02 Elevating Screw Housing ETM949-B03 Elevating Screw Nut(Inch) ETM949-B04 Elevating Screw (Inch) ETM949-B05 Bevel Gear (Big) ETM949-B06 Knee ETM949-B07 Bevel Gear(Small) ETM949-B08 Elevating Shaft ETM949-B09 Bearing Housing ETM949-B10 Bearing Cap ETM949-B11...
  • Page 29 Index No. Part No. Description Size Qty. ETM949-B46 Worm Thrust Washer ETM949-B47 Adaptor Scale ETM949-B48 Back Cover ETM949-B49 Filter Oil Net ETM949-B50 Flat Key 5×5×15 BB-6205 Bearing 6205 ETM949-B52 Washer BB-6204 Bearing 6204 TS-0561031 3/8” TS-1504051 Hex-Socket Head Cap Screw M8 ×...
  • Page 30 HEAD ASSEMBLY — ETM–949, ETM–949EVS 133 131 159 155 132 130 91 87 88 90 MILL...
  • Page 31 HEAD ASSEMBLY PARTS LIST Index No. Part No. Description Size Qty. ETM949-C01 Milling Head ETM949-C02 Spindle ETM949-C03 Stop Block TS-0208031 Hex Socket Head Cap Screw 5/16”x5/8” ETM949-C05 ETM949-C06 Spindle Dirt Shield BB-7207 Bearing 7207 ETM949-C08A Bearing Spacer Assembly (Includes #8,9) ETM949-C08 Bearing spacer (large) ETM949-C09...
  • Page 32 Index No. Part No. Description Size Qty. ETM949-C43 Set Screw M5×5 ETM949-C44 Clutch Ring ETM949-C45 Overload Clutch Trip Lever ETM949-C46 Clutch Ring Pin ETM949-C47 Overload Clutch Lever Spring Plunger Ø5×18 ETM949-C48 Overload Clutch Washer ETM949-C49 Snap Ring C-Type S-10 ETM949-C50 Clutch Arm Cover TS-0267071 Set Screw...
  • Page 33 Index No. Part No. Description Size Qty. TS-1521071 Set Screw M4×20 TS-1540021 ETM949-C92 Cluster Gear Shaft ETM949-C93 Bevel Gear Thrust Spacer ETM949-C94 Bevel Gear Bushing ETM949-C95 Snap Ring C-Type S-16 ETM949-C96 Flat Key 3×3×45 ETM949-C97 Cluster Gear ETM949-C98 Cluster Gear Shaft Upper Bushing ETM949-C99 Feed Drive Worm Gear Shaft ETM949-C100...
  • Page 34 Index No. Part No. Description Size Qty. ETM949-C134 Quill Stop Knob TS-0209021 Hex Socket Head Cap Screw 3/8”×5/8” ETM949-C136 Quill Stop Micro-Screw (Meter) ETM949-C139 Quill Lock Sleeve ETM949-C140 Springs ETM949-C141 Quill Lock Sleeve Tapped ETM949-C142 Quill Lock Bolt & Spring 5/16”-18UNC ETM949-C143 Feed Reverse Trip Plunger...
  • Page 35 UPPER HEAD ASSEMBLY — ETM–949 60 Hz -4 15 -5 00 0- 35 0- 42 U TI R IS ETM–949 | ETM–949EVS...
  • Page 36 UPPER HEAD ASSEMBLY PARTS LIST Index No. Part No. Description Size Qty. ETM949-D01 Motor ETM949-D01A Motor With Pulley Assembly (includes # 1,2,3,7,54,95-99) ETM949-D02 10×8×10 ETM949-D03 ETM949-D04 Upper Pulley Box TS-0209051 Screw 3/8”×1” TS-0733061 Spring Washer 3/8” ETM949-D07 Snap Ring C-Type S-30 TS-0561031 3/8”...
  • Page 37 Index No. Part No. Description Size Qty. ETM949-D47 Speed Change Plate Pivot Stud ETM949-D48 Clutch Washer 10.2×21×1.2 ETM949-D49 Sliding Housing BB-6010 Ball Bearing 6010 ETM949-D51 Set Screw M8×6 ETM949-D52 Adj. Driven Vari-Disc Assembly ETM949-D53 Belt 38X890 TS-2245081 Screw M5×8 ETM949-D55 Stationary Driven Vari-Disc TS-1503051 Hex Socket Head Cap Screw...
  • Page 38 Index No. Part No. Description Size Qty. ETM949-D93 Cross-Recessed Head Screw M6×8 ETM949-D94 Timing Belt Pulley Flange ETM949-D95 Stationary Motor Vari-Disc TS-1523021 Set Screw M6×8 ETM949-D97 Adj.Motor Vari-Disc ETM949-D98 Spring ETM949-D99 Spring Washer BB-6204 Ball Bearing 6204 ETM949-D101 Washer 6204 ETM949-D102 Motor Pulley Cover TS-0561071...
  • Page 39 UPPER HEAD ASSEMBLY — ETM–949EVS .M .C TR O ETM–949 | ETM–949EVS...
  • Page 40 UPPER HEAD ASSEMBLY PARTS LIST Index No. Part No. Description Size Qty. TS-0561041 7/16” ETM949-D133 Washer ETM949-D132 Studs ETM949-D117 Gear Housing TS-1504051 Hex Socket Head Cap Screw M8×25 ETM949-D118 Spring Supported Pin ETM949-D119 Spring ETM949EVS-D08 Limit Switch TS-1501031 Hex Socket Head Cap Screw M4×10 ETM949EVS-D10 Limit Switch...
  • Page 41 Index No. Part No. Description Size Qty. BB-6007 Bearing 6007 ETM949-D61 Snap Ring C-Type S-40 BB-6203 Bearing 6203 ETM949EVS-D57 Spacer ETM949-D115 Bull Gear Pinion Counter Gear ETM949EVS-D59 Set Screw M8×6 ETM949-D114 Bull Gear Pinion Counter Shaft ETM949EVS-D61 5×18 ETM949EVS-D62 5×15 ETM949-D108 Cover TS-2361051...
  • Page 42 ELECTRICAL ASSEMBLY — ETM–949 ELECTRICAL PARTS LIST — ETM-949 Index No. Part No. Description Size Qty. ETM949-E01 Electric Box Assembly ETM949-E02 Wire Housing ETM949-E03 Aluminum Plate ETM949-E04 Overload (ETM949 only) 7.2-10A ETM949-E05 Magnetic Switch CU11 ETM949-E06 Transformer ETM949-E07 Relay Switch Base ETM949-E08 Relay Switch ETM949-E09...
  • Page 43 INVERTER ELECTRICAL ASSEMBLY — ETM–949EVS INVERTER ELECTRICAL PARTS LIST — ETM-949EVS Index No. Part No. Description Size Qty. ETM949EVS-E01 EVS Inverter Electric Box Assembly ETM949-E02 Wire Housing ETM949-E03 Aluminum Plate ETM949-E05 Magnetic Switch CU11 (serial No. 13080024 and lower) ETM949-E05N Magnetic Switch CU18 (serial No.
  • Page 44 HEAD CONTROL PANEL — ETM–949EVS HEAD CONTROL PANEL PARTS LIST Index No. Part No. Description Size Qty. ETM949EVS-D100 Control Box for EVS ETM949EVS-D102 Control Panel for EVS ETM949EVS-F03 VR Knob ETM949EVS-F04 Digital Readout ETM949EVS-F05 Metal Plate ETM949EVS-F06 VR Variable Resistor MILL...
  • Page 45 CONTROL PANEL ASSEMBLY — ETM–949, ETM–949EVS CONTROL PANEL ASSEMBLY PARTS LIST Index No. Part No. Description Size Qty. ETM949-G01 Control Panel Box ETM949-G02 Support Bar Assembly ETM949-G03 Work Lamp ETM949-G04 Control Panel label ETM949-G05 Emergent Switch ETM949-G06 Start Switch ETM949-G07 Power Light ETM949-G08 Coolant Pump Switch...
  • Page 46 SPINDLE SHAFT GUARD ASSEMBLY — ETM–949, ETM–949EVS SPINDLE SHAFT GUARD PARTS LIST Index No. Part No. Description Size Qty. ETM949-H01 Snap Ring C-Type S-16 ETM949-H02 Cover TS-1503021 Set Screw M6x10 ETM949-H04 Shaft TS-1502051 Hex Socket Head Cap Screw M5x20 ETM949-H06 Guard mounting plate (I) ETM949-H07 Guard mounting plate (II)
  • Page 47 LUBRICATION SYSTEM ASSEMBLY — ETM–949, ETM–949EVS Longitudinal Feed Nut Bracket Cross Feed Nut Bracket F- Longitudinal Slide Way B- Longitudinal Slide Way L-Cross Slide Way Cross Slide Way L-Knee Slide Way R-Cross Slide Way LUBRICATION SYSTEM PARTS LIST Index No. Part No. Description Size Qty.

  • Page 48: Wiring Diagram

    14.0 WIRING DIAGRAM — ETM-949 MILL...
  • Page 49 WIRING DIAGRAM — ETM-949EVS (E type inverter) ETM–949 | ETM–949EVS...
  • Page 50 WIRING DIAGRAM — ETM-949EVS (B type inverter) MILL...
  • Page 51 NOTES ETM–949 | ETM–949EVS...
  • Page 52 NOTES MILL...

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