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Smithy MI-329M Operator's Manual

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MI-329M Operator's Manual
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  • Page 1 Smithy MI-329M Operator's Manual...
  • Page 2 While every precaution has been taken in the preparation of this manual, Smithy Ind. shall not have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the instructions contained in this manual.
  • Page 3 Chapter 4: Setting Up Your Machine -Overview -Preparation For Mounting You Machine -Lifting Your Machine & Placing it on a stand Chapter 5: Inventory Check List a-Overview b-Smithy Quick Start Pack, Check List c-Missing Items Chapter 6: Machine Overview -Overview -Major Features Identified...
  • Page 4 Chapter 7: Preparing Your Machine for Operation -Overview -Oil & Lubrication -Gib Adjustment Chapter 8: Machine Run-In Chapter 9: Mill Operations Simple instructions for Operating the Machine -Power the machine on -Spindle operations -Changing spindle speeds Chapter 10: Spindle Feed and Travel -Fine &...
  • Page 5 Chapter 1 Introduction Welcome Smithy MI-329M Mill. It will teach you about the parts of the machine and how to take care of your investment. This manual is complete and current at the time of printing*. In our continuing effort to bring you the best in machine tools, changes may be made - please visit us at www.smithy.com...
  • Page 6 Feel free to contact us with your suggestions by phone or in writing. If you have comments about this operator’s manual, or if you have a project you’d like to share with other Smithy owners, contact Smithy Industries, P.O. Box 1517, Ann Arbor, MI 48106-1517. You can also send an e-mail to: info@smithy.com...

  • Page 7: Symbols Used In This Manual

    Chapter 2 Safety Overview Smithy machines are proven to be safe and reliable; however, if abused or operated improperly, any machine can cause injury. Please read this manual carefully before you start machining. Proper use will create a safe working environment and prolong the life of your machine.

  • Page 8: Shop Safety Rules

    This list of rules is by no means complete, so remember that common sense is a must. DANGER Smithy strongly discourages the use of casters or wheels on metal-working machine benches. The weight of the machine could result in the bench tipping while being moved.
  • Page 9 shield at all times. Use safety glasses designed for machinery operation; regular glasses will not do. Have extras available for visitors. Know when to wear a face mask or earplugs as well. 4. Keep your work area clean and organized. Cluttered work areas and benches invite accidents.
  • Page 10 speed dial to zero before starting your machine. 4. Use proper tooling. Use only recommended accessories and understand how they should be used before trying them out. Don’t try to make a tool into something it isn’t or attempt to use a tool in inappropriate ways.

  • Page 11: Electrical Specifications

    Chapter 3 MIDAS MI-329M MILL SPECIFICATIONS ELECTRICAL SPECIFICATIONS Model MI-329M Power Requirements 110V, Single Phase, 60 Hz Prewired Voltage 110V A/C Phase Single Plug 5-15P (Included) Outlet 5-15R (Not Included) Connection Type Plug & Cord SPINDLE MOTOR SPECIFICATIONS Model MI-329M Horse Power 1.5 HP...

  • Page 12: Main Specifications

    MAIN SPECIFICATIONS Model MI-329M Work Area Requirements 73” x 50-1/2” T-Slot Size 5/8” Table Size 31.5” x 9.3” Column Dovetail Ways Draw Bar Size 7/16-20 Drill Chuck Size (Included) 1/2” Drill Chuck Arbor (Included) R8/JT33 Rotating Mill Head 90 Degrees (Left and Right) Head Travel 15”...
  • Page 13 Moving a machine tool can be dangerous. Improper techniques and methods may injure you and/or damage the machine. To find a professional to move and site your Smithy machine to look in your local Yellow Pages under “Machine Tools, Moving and/or Rigging.” If there is no such listing or your community does not have a rigging specialist, a local machine shop or machinist may be able to provide a referral.
  • Page 14 Once you have found a suitable location for your new mill, you will need a mechanical lifting device, such as a engine hoist or fork lift, to remove the machine from the pallet and to place it on the stand. There are four 5/8"...

  • Page 15: Inventory Checklist

    A third reason to perform an inventory is to become familiar with the names of all of the parts of your Smithy machine. Items Included With Your Machine The items listed below are shipped in the same crate as your MI-329M Mill. Please check if the following items are present: C30540...
  • Page 16 If you find that an item is missing or defective from your Quick Start Tool Pack Call Us TOLL FREE 1-800-476-4849 or send an e-mail to info@smithy.com within 30 days of receiving your machine so that we may assist you immediately.

  • Page 17: Machine Overview

    Chapter 6 Machine Overview Overview This chapter will help you to familiarize yourself with the Smithy MI-329M Mill machine. The figure below identifies the major controls for your machine. MAJOR CONTROLS...
  • Page 18 CONTROL DESCRIPTION 1. SPINDLE MOTOR SWITCH. Rotate clockwise for forward and counter clockwise for • reverse. Center position is off. 2. SPINDLE SPEED SELECTOR HANDLES. Two control levers give a total of 6 speeds. The speed chart is • on the front of the mill head. 3.
  • Page 19 12. QUILL FINE FEED HANDLE. Use to feed the quill in a precision manner for milling • operations. Dial is calibrated in .001” per division. 13. MILL HEAD TRAVEL LOCK. Locks the mill head in the desired vertical position. • 14.
  • Page 20 Give special attention to the lead screw. Use a brush or cotton string to clean down into the threads. Once it's cleaned, your Smithy is ready for lubricating. Do this carefully and thoroughly before starting the machine. There are oil buttons located in numerous locations on the machine.
  • Page 21 Adjusting the mill gibs when needed. The objective of adjusting the gibs is to eliminate as much play in the X, Y, and Z axis as possible without having the tightness of the gib interfere with their movement and cause a decrease in the accuracy and performance of the machine due to excessive friction.
  • Page 22 Chapter 8 Running-in The MI-329M milling machine is put through a initial run-in procedure at the factory before the machine is packaged for shipment. 1. Once you have your mill setup, Smithy recommends that the spindle motor be run for about 5 minutes at each of the spindle speeds starting with the slowest speed.

  • Page 23: Mill Operations

    Chapter 9 Mill Operations Simple instruction for Operating Machine 1. Raise and lower the headstock on its rack and pinion mechanism by using the crank. When the desired height is reached, tighten the locking bolts to avoid vibration. 2. Head may be rotated 90° in either direction. Loosen the three lock nuts.
  • Page 24 Chapter 10 Spindle speeds and travel Determining Speeds for Milling Speeds Milling cutting rates vary according to the machinability of the material being cut; whether cutting fluid is used and, if so, what kind; the type, size, and material of the cutter and the coarseness of its teeth; and the amount of metal being removed.
  • Page 25 Up Milling In up milling, forces on the work piece tend to pull it out of the vise or fixture holding it, so fasten it securely. These forces also push the work piece away from the cutter, which eliminates backlash. Up milling is advised for milling cast iron, softer steels, and other ductile materials.
  • Page 26 Using the Z Axis DRO 1. The OFF button turns the DRO off. 2. The ON / ) button turns the DRO on and will reset it to zero at whatever location the quill is at the time. 3. The mm/in switches between inch and metric measurements. 4.
  • Page 27 Chapter 12 Tooling Installation and Work Holding Installing and Changing Tools WARNING : Be sure the power is turned off and the machine unplugged before installing or changing tool bits Aligning Tooling - Use the procedure below to align your tooling in the R-8 spindle: 1.
  • Page 28 Arbors come in different sizes and lengths, with one end tapered to fit the bore in the end of the machine spindle. The MI-329M mill arbor, which has an MT4 taper, is driven by spindle. The arbor stays in place by means of a drawbar screwed into the end of the arbor from the top of the spindle.
  • Page 29 For large cutters, bolt the cutter directly to the end of the spindle. Ordering Machining Accessories: To order machining accessories for your MI-329M mill refer to the accessories section of the Smithy website at www.smithy.com...
  • Page 30 Chapter 13 Diagrams and Parts Listings...
  • Page 31 BED, TABLE & COLUMN ASSEMBLY ITEM SMITHY # MFG # DESCRIPTION LX01022 GB/T7270.4 Handle M10 x 80 LX01021 Z32-01-028 Handwheel S11981 GB/T77-85 SCREW M6 x 8 Flat point set LX01019 ZX32-01-023 Dial Clutch Y S22260 GB/T879-86 Pin, Spring M5 x 35...
  • Page 32 S11951 GB/T70-85 SCREW M6 x 12 socket head cap C30050 GB/T1155-79 Oiler M6 CX01039 ZX32-01-026 Nut, Long Feed X CX01040 ZX32-01-013 Flange B CX01041 GB/T270.12-94 Lock Screw, Gib X 10 x 32 S22830 GB/T118-86 Pin, Taper M8 x 30 C30050 GB/T1155-79 Oiler M6 LX01013...

  • Page 34: Headstock Assembly

    HEADSTOCK ASSEMBLY ITEM SMITHY # MFG # DESCRIPTION CX02001 JB/T7272.2 Handwheel 12x100 CX02002 JB/T7270.4 Handle M6x32 S11088 GB/T77-85 Screw, Set Flat Point M8x8 CX02004 ZX32-05-002 Dial Seat CX02005 ZX32-01-022 Dial S12516 GB/T70-85 Screw, Cap Sock Head M5x15 CX02007 ZX32G-04-009 Cover...
  • Page 35 CX02 GB/T70-85 Screw, Cap Sock Head M8x55 CX02045 HQ400-24-021 Cover, Drawbar CX02046 ZX32G-02-013 Plate, Drawbar Cover CX02057 ZX32G-02-001 Casting, Headstock CX02058 GB/T276-94 Bearing 6003 Ball 17x35x10 CX02059 ZX32G-02-023(2) Gear Shaft S21650 GB/T1096 Key, Parallel M6x32 CX02061 ZX32G-02-023(1) Bushing CX02062 GB/T276-94 Bearing 6003 Ball 17x35x10 CX02063 ZX32G-02-024...
  • Page 36 CX02095 GB/T893.2-86 Snap Ring, Internal M62 CX02026 GB/T276-94 Bearing, 6007 Ball 35x62x14 CX02097 ZX32G-02-010 Gear CX02098 ZX32G-02-009 Sleeve Gear S12592 GB/T1096 Key, Parallel M6x18 CX02100 ZX32G-02-041 Knob CX02101 ZX32G-02-042 Washer CX02102 ZX32G-02-043 Cover, Spring CX02103 ZX32G-02-047 Spring CX02104 ZX32G-02-040 Spring Base S12510 GB/T70-85 Screw, Cap Sock Head M5x10...
  • Page 38 SPINDLE ASSY & OPTIONAL DRO ITEM SMITHY # MFG # DESCRIPTION CX03001 ZX32G-03-001 Spindle G05099 GB/T858-88 Washer, Locking Tab M30 CX03G05098 GB/T810-86 Nut, Spanner M30x1.5 CX03004 GB/T5780-86 Bolt, Hex Head M6x50 CX03005 ZX32G-03-003 Flange, Depth Gauge S18331 GB/T41-86 Nut, Hex M6...
  • Page 39 Chapter 14 Electrical Diagrams...

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