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Smithy MI-329M, Operator'S Manual

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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

Motor Voltage

110V

Motor Current

A/C

Motor Amperage

16 Amps/8 Amps

Motor Type

A/C Constant Speed Induction

PRODUCT DIMENSIONS

Model

MI-329M

Weight

716 lbs.

Depth

34”

Width

48”

Height

56”

Footprint

25” x 16”

SHIPPING DIMENSIONS

Model

MI-329M

Shipping Weight

827 lbs.

Depth

35”

Width

30.5”

Height

48”

Content

Machine

Type

Wood Crate

Must Ship Upright

Yes

11

Summary of Contents for MI-329M

Page 1: ...Smithy MI 329M Operator s Manual 1 ...

Page 2: ...eans electronic mechanical photocopying recording or otherwise without prior written permission of Smithy Ind For information on getting permission for reprints and excerpts comments or suggestions contact info smithy com 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 ...

Page 3: ...s Machine Operation Safety Rules Chapter 3 Machine Specifications 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 3 ...

Page 4: ...ine 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 rapid spindle feeds Depth gauge DRO Chapter 11 Tooling Installation Work Holding Chapter 12 Diagrams Parts Listing 4 ...

Page 5: ...rks you risk injury to yourself or others Misuse can cause damage to the machine or to your project To learn more about general machining practices you can turn to a number of sources The Smithy website has a series of Machinist Training Videos under the Machining Helps section of website heading Smithy also offers books that meet the needs of Congratulations on the purchase of your Smithy Milling...

Page 6: ...ians are available Monday through Friday from 8 00 am to 5 00 pm Eastern Standard Time You can also e mail your questions 24 hours a day to info smithy com Customer Information Please record the information below about your Smithy machine Having this information readily available will save time if you need to contact Smithy for questions service accessories or replacement parts Model Number ______...

Page 7: ... Symbols Used In This Manual In this manual the symbols below draw attention to specific operating issues CAUTION Potential hazard unsafe situation or potential equipment damage that may result in injury to yourself or damage to your machine DANGER Hazardous situation which if not avoided could result in series injury or death WARNING Potential hazard unsafe situation or equipment damage could res...

Page 8: ...paring to Operate Machine 1 Read this manual thoroughly before operating your machine Don t try to do more than you or your machine can handle Understand the hazards of operating a machine tool In particular remember never to change speeds or setups until the machine is completely stopped and never operate it without first rolling up your sleeves MAXIMUM TOOL SIZE Model MI 329M Drill 1 Face Mill 3...

Page 9: ...be a safety hazard 8 Avoid accidental starts Turn the switch to the OFF position before plugging in the machine Turn the speed dial to zero if you have a variable speed drive before starting your machine 9 Ground your machine The machine has a three conductor cord and three prong grounding type plug Never connect the power supply without proper grounding 10 Keep your mind on your work By paying at...

Page 10: ...d spindle speeds and feed rates Always cut at the recommended speed and feed rates for the type of metal that you are cutting for optimum performance Do not begin your cut until the machine has reached the full and proper speed 8 Do not change the direction of the spindle rotation or lead screw rotation while your machine is running Changing the rotation direction of the spindle or lead screw whil...

Page 11: ... Type Plug Cord SPINDLE MOTOR SPECIFICATIONS Model MI 329M Horse Power 1 5 HP Motor Voltage 110V Motor Current A C Motor Amperage 16 Amps 8 Amps Motor Type A C Constant Speed Induction PRODUCT DIMENSIONS Model MI 329M Weight 716 lbs Depth 34 Width 48 Height 56 Footprint 25 x 16 SHIPPING DIMENSIONS Model MI 329M Shipping Weight 827 lbs Depth 35 Width 30 5 Height 48 Content Machine Type Wood Crate M...

Page 12: ...uill Diameter 3 X Axis Travel 22 Y Axis Travel 7 25 Spindle Taper R8 Spindle Speeds 95 175 310 450 850 150095 175 310 450 850 1500 Spindle to Table Distance 3 25 to 18 25 Spindle Center to Column 9 5 Dial Calibration Drill Coarse Feed N A Dial Calibration Mill Fine Feed 001 Dial Calibration X Axis 001 Dial Calibration Y Axis 001 Powerfeed X Axis Optional Powerfeed Z Axis None Oiled Gear Boxes Yes ...

Page 13: ...d before moving machine 3 Don t mount the machine in direct sunshine in order to avoid heat expansion resulting in the deformity of machine and the loss of accuracy 4 Mount machine to a sturdy table or a solid concrete foundation Smithy s 80 055 with optional chip tray item 80 056 has through holes drilled to accommodate the hole pattern of the MI 329M mill If your plans are to make your own stand...

Page 14: ...chains or tow ropes to the machine and hook them to the mechanical lifting device 9 Slowly lift the machine slightly off the pallet to see if the machine is properly balanced If machine is not balanced lower the machine back to the pallet and reposition the chains or tow ropes until a good balance is achieved 10 Once the machine is balanced slowly lift the machine off the pallet Do not rise the ma...

Page 15: ... 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 Allen Wrench 4 mm C30542 Allen Wrench 5 mm C30536 Allen Wrench 6 mm C30536 Allen Wrench 8 mm C30535 Open Ended Wrench 17 19 73 083 Arbor R 8 to JT33 72 001 Drill Chuck C30533 Key Drill Chuck 80 100 Oil Can 15 020 Air Mask 15 015 Goggles 15 025 Ear Plugs 83 942 B...

Page 16: ...tters Missing Items 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 Our sales and service technicians are available 9am to 5 30pm ET Monday through Friday 16 ...

Page 17: ...erview 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 17 1 2 3 4 5 6 7 8 7 6 9 10 11 12 13 14 ...

Page 18: ...s a digital position of the quill 6 X AXIS FEED HANDLES The dial behind the handle is graduated in 001 increments for precise movement 7 Y AND X AXIS LOCK HANDLES Locks the X or Y axis in place to prevent unwanted movement 8 Y AXIS FEED HANDLE The dial behind the handle is graduated in 001 increments for precise movement 9 MILL HEAD VERTICAL CRANK Used to raise or lower the entire mill head Be sur...

Page 19: ...ision 13 MILL HEAD TRAVEL LOCK Locks the mill head in the desired vertical position 14 OIL SITE GAUGE Indicates the oil level in the mill head It should be about way up the site gauge Oil is added through the vent cap on top of the mill head NOTICE Check all parts and safety precautions for proper condition before operation 19 ...

Page 20: ...ial 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 Use pressure oil can and good quality SAE No 20 or 30 weight machine oil The mill head has an oil site gauges on the right si...

Page 21: ...n in the images below Turning in the right screw will adjust the gib tighter and turning in the left screw will makes everything loose Have both of them loose and then start turning the right screw a little bit of a time to make it tighter When you fill drag on the hand wheel that s the time to stop and tighten the other screw on the left You tighten both screws to hold the device Y Axis Gib Adjus...

Page 22: ... 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 2 When the machine has set for some period of thin without being run or if the machine is in a cold envir...

Page 23: ... the head to the normal vertical position will stop this drip 3 Move the table from side to side by using the longitudinal handwheel and from front to back by using the cross handwheel 4 Adjust the positive depth stop gauge according to desired working depth Turning Machine On 1 The only electrical switch is the Forward Reverse switch for turning on the spindle motor Changing Spindle Speed 1 Turn ...

Page 24: ...ar material Machinist usually start with an average speed then increase or decrease it as needed For light cuts use the upper end Use the lower end for heavy cuts and when you don t use cutting fluid Determining rpm To set the spindle speed you have to know the cutter rpm revolutions per minute For inch measurements use this formula rpm 12 x CS fpm D x π where CS cutting speed fpm feet per minute ...

Page 25: ...do not sweep back into the cut Setups are more rigid an advantage when cutting thin work pieces held in a vise or work pieces held in a magnetic chuck Down milling also produces straighter cuts We recommend down milling when using carbide cutters because there is less wear on the cutting tool In general however avoid it because of the backlash problems associated with it Using the Depth Gauge 1 Pl...

Page 26: ...n the quill is at the time 3 The mm in switches between inch and metric measurements 4 The up and down arrows can be used to set a specific travel Place the quill in the desired start location Press the 0 button to zero the DRO Use the up or down buttons to set the desired travel The display count down to zero as the quill is moved 26 ...

Page 27: ...n the drawbar clockwise into the fixture or tooling that is inserted into the mill spindle opening Use the spanner wrench to stabilize the spindle while tightening the drawbar 3 Use a wrench to apply torque to the drawbar This will draw the fixture firmly into the spindle 4 Reinstall the arbor bolt cover when the fixture tooling is in place Removing R 8 Tooling from the Drawbar Use the procedure b...

Page 28: ...und shanks go into the mill spindle When you tighten a spring collet its hole reduces and the collet grips the end of the end mill shank evenly Tighten the end mill securely with the setscrew against the flat surface of the end mill or it may slip out and damage the work piece the cutter or you Adapters Adapters mount various types and sizes of cutters on the spindle Arbor adapters mount face mill...

Page 29: ... into the slot The taper on the tool will release and the adapter drop out Cutters mounted in the spindle must fit accurately There are two ways to make sure they do For small cutters fit the shank of the arbor that carries the cutter directly into the taper hole at the end of the spindle A drawbar holds the arbor in place For large cutters bolt the cutter directly to the end of the spindle Orderi...

Page 30: ...Chapter 13 Diagrams and Parts Listings 30 ...

Page 31: ...6 CX01016 ZX32W 01 008 Gearshaft 1 17 CX01017 GB T301 94 Bearing thrust 51103 17x30x9 1 18 CX01018 ZX32W 01 009 Seat Gearshaft 1 19 S11991 GB T70 85 Screw M6 x 20 Allen head cap 3 20 CX01020 GB T5781 86 Bolt M8 x 12 2 21 CX01021 ZX32 01 015 1 Saddle 1 22 CX01022 ZX32 01 020 Lock Screw Gib Y 4 23 CX01023 ZX32 01 004 Screw Gib Adj 4 24 S12215 GB T70 85 Screw M5 x 12 Allen head cap 1 25 CX01025 ZX32 ...

Page 32: ...103 ZX32W 01 007 Bevel Gear 1 51 S20290 GB T276 94 Bearing 6204 ball 20x47x14 1 52 CX01052 GB T1096 79 Key m5 x 12 1 53 CX01053 ZX32W 01 005 Screw Z Axis feed 1 54 CX01054 GB T70 85 Screw M8 x 40 Allen head cap 1 55 CX01055 ZX32W 01 001 A 1 Carriage Vertical 1 56 CX01056 ZX32W 01 014 Screw Gib Adjusting Z 2 57 CX01057 ZX32W 01 003 Gib Z 1 58 CX01058 ZX32W 01 002 Nut Feed Screw Z 1 59 CX01059 GB T8...

Page 33: ...33 ...

Page 34: ... Gear Shaft 1 18 S11335 GB T818 85 Screw Pan head M4x8 1 19 CX02019 ZX32G 04 003 Worm 1 20 S12291 GB T70 85 Screw Cap Sock Head M8x20 2 21 CX02021 ZX32G 04 002 Feed Box Casting 1 22 CX02022 GB T6182 86 Nut Lylock M16 2 23 CX02023 GB T1160 2 89 Gauge Oil site 1 24 CX02024 GB T93 87 Washer Spring Locking M16 2 25 CX02025 GB T5782 86 Bolt Grade A or B M16x60 2 32 CX02026 GB T276 94 Bearing 6007 Ball ...

Page 35: ...pring 2 72 CX02072 ZX32G 02 018 Gear 1 73 S23215 GB T894 1 94 Snap Ring External M18 2 74 S20015 GB T276 94 Bearing 6202 Ball 15x35x11 3 75 CX02075 GB T893 2 Snap Ring Internal M35 1 76 CX02075 GB T893 2 Snap Ring Internal M35 1 77 S20015 GB T276 94 Bearing 6202 Ball 15x35x11 1 78 CX02078 ZX32G 02 016 Gear 1 79 S1110 GB T1096 Key Parallel M6x14 1 80 CX02080 ZX32G 02 014 Gear 1 81 CX02081 GB T1096 ...

Page 36: ...618 GB T79 85 Screw Set Dog Point M10x25 1 109 CX02109 ZX32G 02 038 Locking Collar A 1 110 CX02110 ZX32G 02 038 Locking Collar B 1 112 S11938 GB T73 85 Screw Set Flat Point M6x10 2 113 CX02113 ZX32G 02 025 Fork 2 114 S22421 GB T879 86 Pin Spring M4x12 1 115 CX02115 ZX32G 02 030 Lever 1 116 CX02116 ZX32G 02 028 Shaft short 1 117 S23110 GB T894 1 86 Snap Ring External M12 2 118 CX02118 GB T9877 1 88...

Page 37: ...37 ...

Page 38: ... 30207 P6 1 9 CX03009 ZX32G 03 002 Quill Housing 1 10 CX03010 ZX32G 03 004 Washer Rubber 1 11 LX03241 GB T297 94 Bearing Tapered Roller 30206 P6 1 12 S22316 GB T879 86 Pin Spring 3x16 1 13 CX03013 ZX32G 03 010 Knob Depth Gauge 1 14 CX03014 ZX32G 03 009 Bushing Depth Gauge 1 15 S18061 GB T6172 86 Nut Jam M16 1 16 CX03016 ZX32G 03 006 Rod Depth Gauge 1 17 S11046 GB T818 85 Screw Pan Head M4x6 1 18 C...

Page 39: ...Chapter 14 Electrical Diagrams 39 ...

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