Tormach PCNC 440 User manual

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UM10372_PCNC440_Manual_0221A
Document Part Number: 35672
©2021 Tormach Inc.
TORMACH®PCNC 440
OPERATOR’S MANUAL
IMPORTANT! Read and understand all operator’s manual safety precauons and instrucons before at-
tempng PCNC 440 installaon, operaon, or maintenance.
™

Chapter 1 2UM10372_PCNC440_Manual_0221A
PREFACE
SAVE THESE INSTRUCTIONS!
This manual contains important safety warnings and operang instrucons for the PCNC 440 mill.
Refer to these instrucons before aempng installaon, operaon or maintenance. Keep these
instrucons together with your PCNC 440 mill so they are readily accessible. The most recent version
of this manual is available at: www.tormach.com/documents
Read Before Operating
Read and follow all warnings, cauons, and operang instrucons before operang this machine.
Failure to do so could result in voided warranty, property damage, serious injury or death.
Symbol Description Example
WARNING! Indicates a hazard which, if not
avoided, could result in death or serious
injury.
WARNING! Ejecon Hazard: Tools and
workpieces must be clamped properly. Failure
to do so could result in death and/or serious
injury.
CAUTION! Indicates a hazard which, if not
avoided, could result in injury or mill damage.
CAUTION! Sharp Objects: Be sure to wear
gloves when uncrang mill. Failure to do so
could result in serious injury.
IMPORTANT! IMPORTANT! Addresses important pracces
not related to personal injury.
IMPORTANT! Damage to mill may occur if
motor weight is supported by motor wires.
NOTE: NOTE: Indicates addional informaon,
claricaon, or helpful hints.
NOTE: Allocate addional space to allow access
to rear of mill for maintenance or repairs.
Safety Overview
Any machine tool is potenally dangerous. The automaon inherent in a CNC machine presents
added risk not present in a manual machine. Tormach CNC machines can deliver sucient force to
break brile tools, crush bones, and tear esh.
This manual provides guidance on safety precauons and techniques, but because the specics of
any one workshop (or other local condions) can vary greatly, Tormach accepts no responsibility for
machine performance or any damage or injury caused by its use. It is your responsibility to ensure
you understand the implicaons of what you are doing and comply with any legislaon and codes
of pracce applicable to your city, state or naon.

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UM10372_PCNC440_Manual_0221A
PREFACE
Machine Safety
Safe operaon of the machine depends on its proper use and the precauons taken by the operator.
Read and understand this manual. Only trained personnel – with a clear and thorough understanding
of its operaon and safety requirements – should operate this machine.
General Safety:
• Wear OSHA-approved safety glasses, safety shoes, and ear protecon.
• Remove loose-ng clothing, neckes, gloves, and jewelry.
• Tie up long hair or secure under a hat.
• Never operate a machine aer consuming alcohol or taking medicaon.
• Keep work area well lit and deploy addional lighng, if needed.
Operaonal Safety:
• Understand CNC machines are automacally controlled and may start at any me.
• Do not leave machine unaended during operaon.
• Always power o machine when not in use.
• Never operate with unbalanced tooling or spindle xtures.
• Remove all tools (wrenches, chuck keys, etc.) from spindle and machine surface before starng
operaons; loose items can become dangerous projecles.
• Use adequate work clamping; loose workpieces can become dangerous projecles.
• Protect your hands. Stop machine spindle and ensure machine moon has stopped before:
- Reaching into any part of the machine moon envelope
- Changing tools, parts or adjusng the workpiece
- Changing belt/pulley posion
- Clearing away chips, oil or coolant; always use a chip scraper or brush
- Making an adjustment to part, xture, coolant nozzle or when taking measurements
- Removing protecve shields or safeguards; never reach around a guard
• Keep work area clear of cluer as machine moon can occur when keys are accidently pressed
or objects fall on keyboard, resulng in unexpected moon.
• Posion clamping aachments clear of tool path. Be aware of workpiece cutos that could be
cut free during operaons and become dangerous projecles.
• Always use proper feeds/speeds, as well as depth/width of cut to prevent tool breakage.

Chapter 1 4UM10372_PCNC440_Manual_0221A
PREFACE
• Check for damaged tools/workpieces and cease operaons if detected; replace before
re-starng operaons as these can become dangerous projecles. Never use longer or larger
tools than necessary.
• Chips and dust from certain materials (e.g., magnesium) can be ammable. Fine dust from
normally non-ammable materials may be ammable or even explosive.
• Chips, dust, and vapors from certain materials can be toxic. Always check the Materials Safety
Data Sheet (MSDS) for each material.
IMPORTANT! It is the responsibility of the employer/operator to provide and ensure point of operaon
safeguarding per the following:
• OSHA 1910.212 – General Requirements for All Machines
• OSHA 1910.212 – Milling Machines, Point of Operaon Safeguarding
• ANSI B11.22-2002 Safety Requirements for Turning Centers and Automac Numerically
Controlled Turning Machines
• ANSI B11.TR3-2000 Risk Assessment and Risk Reducon – A Guideline to Esmate, Evaluate,
and Reduce Risks Associated with Machine Tools
• Safety Requirements for Construcon, Care, and Use of Drilling, Milling and Boring Machines
(ANSI B11.8-1983). Available from American Naonal Standards Instute, 1430 Broadway,
New York, New York 10018
• Concepts and Techniques of Machine Safeguarding (OSHA Publicaon Number 3067).
Available from The Publicaon Oce – OSHA, U.S. Department of Labor, 200 Constuon
Avenue, NW, Washington, DC 20210
Electrical Safety
WARNING! Electrical Shock Hazard: Be sure to power o machine before making any electrical
modicaons. Failure to do so could result in death and/or serious injury.
Input Power: The PCNC 440 has one 115 V power input which is capable of delivering lethal electrical
shocks. Care should be exercised when working inside the electrical cabinet.
Grounding: The power input must be grounded. Do not assume during installaon that a wall outlet
is properly grounded. Check connuity between the machine frame and true earth ground (metal
water pipe or similar) to ensure a good ground connecon.
Ground Fault Interrupter: A Ground Fault Interrupter or GFI (also known as a Residual Current
Circuit Breaker or RCCB) outlet must not be used to supply power to the 115 VAC power input as it
will interfere with the spindle drive electronics.

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UM10372_PCNC440_Manual_0221A
PREFACE
Electrical Cabinet: Never operate the mill with the electrical cabinet open. Never allow a coolant
pump to operate with the electrical cabinet open. Do not allow the coolant system to ow coolant
directly at the electrical cabinet or the operator box. Neither the electrical cabinet nor the operator
box controls are hermecally sealed against liquids.
Electrical Service: Certain service and troubleshoong operaons require access to the electrical
cabinet while power is on. Only qualied electrical technicians should perform such operaons.
Retained Electrical Power: Electronic devices within the electrical cabinet may retain dangerous
electrical voltage aer the power is o.
Support
Tormach provides no-cost technical support to our customers through mulple channels. The
quickest way to get the answers you need is normally in this order:
• Refer to this operator manual rst
• Reference related documents at: hp://www.tormach.com/documents.html
• Email: inf[email protected]
• Phone: [phone] x2001, Monday through Friday 8 a.m. to 5 p.m. (central standard me)
• Fax: [phone]
Scope and Intellectual Property
This document is intended to provide sucient informaon to allow you to install, setup, and use
your Tormach PCNC 440 mill. It assumes that you have appropriate experience and/or access to
training for any computer-aided design/manufacture soware to use with the machine.
Tormach Inc. is dedicated to connual improvement of its products, so suggesons for enhancements,
correcons, and claricaons are welcome.
The right to make copies of this manual is granted solely for the purpose of training courses related
to, evaluaon of and/or use of the PCNC 440. It is not permied, under this right, for third pares
to charge for copies beyond the cost of prinng.
Every eort has been made to make this manual as complete and as accurate as possible but no
warranty or tness is claimed or implied. All informaon provided is on an as is basis. The authors,
publisher, and Tormach Inc. shall not have any liability for, or responsibility to, any person or enty
for any reason for any loss or damage arising from the informaon contained in this manual.
Tormach, PCNC 440 Personal CNC, Tormach Tooling System (TTS), and PathPilot are trademarks
or registered trademarks of Tormach Inc. If other trademarks are used in this manual, but not
acknowledged, please nofy Tormach Inc. so this can be remedied in subsequent edions.
Tormach milling machines and accessories are covered by one or more of the following U.S. Patents:
7,386,362, D606,568, D612,406, D621,859 and Patent(s) Pending.

Chapter 1 6UM10372_PCNC440_Manual_0221A
PREFACE
Intended Use Statement
The PCNC 440 is intended for use as a general purpose CNC milling machine. The intended use includes
cung convenonal (non-abrasive) materials such as unhardened mild or alloy steels, aluminum,
plascs, wood, and similar materials (or any other material that can be cut with a rotang cuer).
Outside Scope of Intended Use
Applicaons for the equipment or modicaons of the equipment outside of the Intended Use
Statement are supported through consulng engineering and excluded from Tormach’s no-cost
technical support.
All of the technical informaon and insight required to support variaons from the intended use
cannot possibly be foreseen. If the extensive documentaon provided does not supply all the
informaon you need, we can provide addional informaon and engineering support required
for your project on a consulng engineering basis. If you have your quesons well organized, we
can normally provide all the informaon you need in short order. Consulng engineering is done by
electrical and mechanical engineers and billed at current hourly rates.
All warranes for Tormach equipment are voided through modicaon to the equipment or use
outside of the intended use. Individuals or companies involved with modifying the equipment or
applying the products assume all consequent liability.
Performance Expectations and Cutting Ability
The following table summarizes the cung performance envelope of the PCNC 440 mill:
Spindle Speed Range 300-10,000 RPM
Spindle Power Rang 3/4 hp (600 W)
Feed Rate Range 0-135 IPM (X, Y)
0-110 IPM (Z)
The PCNC 440 is capable of cung any material that can be cut with a rotang cuer at or near
its recommended feeds and speeds. As with any machine tool, care should be exercised so that
programmed cuts do not exceed the maximum available spindle horsepower. Small diameter cuers
may perform beer with use of a companion spindle or RPM mulplier.
Resolution, Accuracy, and Repeatability
The following table summarizes resoluon, accuracy, and repeatability of the PCNC 440 as delivered.
Resoluon of Moon (minimum discrete posional move) 0.0001”
Posional Accuracy1≤ 0.0016” per 10”
1 Includes addional contribung factors such compressibility of bearings, ball screw windup, fricon, etc.

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UM10372_PCNC440_Manual_0221A
PREFACE
Each PCNC 440 ships with a Cercate of Inspecon. This report details each of the quality assurance
measurements performed at the factory by a Tormach quality assurance team member prior to
approving shipment of each machine.
A sample cercate of inspecon and more informaon on quality assurance measurements is
available at: hp://www.tormach.com/quality_overview.html
In pracce, accuracy and repeatability are heavily inuenced by the techniques used by the
machinist. A skilled machinist can oen deliver accuracy that exceeds the accuracy specied by
the machine builder, while an inexperienced machinist may have diculty delivering the expected
accuracy. With this understanding, we cannot tell you what accuracy you will be able to achieve in
your own work. Nevertheless, the accuracy specied by a machine builder remains an important
reference point.
Nomenclature
The following table summarizes the typographical nomenclature this manual uses:
Soware Control Refers to a Soware Control i.e., an on-screen buon.
Hardware Control Refers to a physical buon or switch on the mill.
G-code (e.g., G01X34.8) Used to show G-code.
Key name (i.e., Enter) Tells you to press the indicated key.
Buon name (i.e., Stop) Tells you to press the indicated buon.

Chapter 1 8UM10372_PCNC440_Manual_0221A
PREFACE
Table of Contents
1. Overview 19
1.1 Specicaons 20
2. Site Planning and Prep 21
2.1 General Site Requirements 21
2.1.1 Space Requirements 21
2.2 Electrical Requirements 22
2.2.1 Grounding 22
2.2.2 Plug Paern 22
2.2.3 Ground Fault Interrupter (GFI) Use 22
2.2.4 Electrical Noise 23
2.2.5 Opons for Electrically Non-conforming Sites 23
3. Installaon 24
3.1 Receiving, Uncrang, and Inial Inspecon 24
3.1.1 Shipment Arrival 24
3.1.2 Moving the Crate 24
3.1.3 Inial Uncrang 25
3.1.4 Shipping Damage or Shortages 25
3.2 Installaon Sequence 25
3.3 Basic Installaon Procedure 25
3.3.1 Stand Assembly 25
3.3.2 Remove Pallet Items 26
3.3.3 Li and Move Mill 26
3.3.3.1 Remove Mill from Pallet 26
3.3.3.2 Li Mill 26
3.3.4 Aach Mill to Stand 27
3.3.4.1 Non-Tormach Stands 27

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PREFACE
3.3.5 X-axis Motor Cover Plate 27
3.3.6 X-axis Limit Switch Cover Plate 27
3.3.7 Manual Oiler 27
3.3.8 Flood Coolant System 27
3.3.9 Install the Monitor 28
3.3.10 Install the PathPilot Controller 28
3.4 Essenal Controls Overview 30
3.4.1 E-stop, Start, Reset, and Main Disconnect 30
3.5 Power O/Power On Procedure 31
3.6 Inial PathPilot Controller Conguraon 32
3.7 Validate Basic Installaon 33
3.7.1 Verify Limit Switch Funcon 33
3.7.2 Verify Axis Funcon 34
3.7.3 Verify Spindle Funcon 34
3.7.4 Installaon Troubleshoong 34
3.8 Controller Customizaon 35
4. Operaon 36
4.1 Control Locaons 36
4.1.1 Operator Box 36
4.1.2 PathPilot Interface 36
4.1.3 Accessory Port 37
4.2 Inializing the Mill 37
4.2.1 Vital Reference 37
4.3 Jogging 37
4.3.1 Keyboard 37
4.3.2 Jog Shule 38
4.4 Spindle Controls 38

Chapter 1 10 UM10372_PCNC440_Manual_0221A
PREFACE
4.4.1 Spindle Control Via PathPilot Interface 38
4.4.2 Changing Spindle Speed Range 39
4.5 Tool Holders 40
4.5.1 Install Drawbar and TTS Collet 40
4.5.2 Change TTS Tool Holder 41
4.5.3 Tips on Using TTS 41
4.6 Part Setup/Workholding 42
5. Intro to PathPilot 43
5.1 Making Your First Part 43
5.1.1 Reference the Mill 43
5.1.2 Prepare the Workpiece 44
5.1.3 Prepare the Tools 44
5.1.4 Understand Mill Posion, Work Osets and Tool Osets 44
5.1.5 Set the Length Units 45
5.1.5.1 Programming in Inches 45
5.1.5.2 Programming in Millimeters 45
5.1.6 Touch O the Workpiece to Set Work Osets 46
5.1.7 Touch O the Workpiece to Set Tool Length Osets 47
5.1.8 Write the G-code 48
5.1.8.1 Operaon 1 49
5.1.8.2 Operaon 2 51
6. PathPilot Interface 53
6.1 Overall Layout 53
6.2 Persistent Controls 54
6.2.1 Program Control Group 54
6.2.2 Posion Status Group 56
6.2.3 Manual Control Group 57

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PREFACE
6.3 Keyboard Shortcuts 60
6.4 Main Tab 61
6.4.1 Selecng a Recent G-code Program File 61
6.4.2 Working in the G-code Window 61
6.4.2.1 Seng a New Start Line 62
6.4.2.2 Expanding the G-code Window 62
6.4.3 Manually Entering Commands 62
6.4.3.1 Searching in the Code 62
6.4.4 Working in the Tool Path Window 64
6.4.4.1 Changing the View of the Tool Path Window 64
6.5 File Tab 64
6.5.1 Managing Files 64
6.5.1.1 Transferring Files or Folders from a USB Drive 65
6.5.2 Loading G-code 65
6.5.3 Eding G-code 66
6.5.3.1 Eding G-code with a Text Editor 66
6.5.3.2 Eding G-code with Conversaonal Programming 66
6.6 Sengs Tab 67
6.6.1 Selecng the Tool Changer Type 67
6.6.2 Changing the Network Name 68
6.6.3 Disabling Reference Switches 68
6.6.4 Liming a G30/M998 Move 69
6.6.5 Enabling Feeds and Speeds Suggesons in Conversaonal Programming 69
6.6.6 Enabling Accessories 69
6.6.6.1 Enabling CNC Scanner 69
6.6.6.2 Enabling So Keyboard 69
6.6.6.3 Enabling USB I/O Board 70

Chapter 1 12 UM10372_PCNC440_Manual_0221A
PREFACE
6.7 Osets Tab 70
6.7.1 Tool Tab 70
6.7.1.1 Tool Measuring Techniques 71
6.7.1.2 Creang Tool Descripons 72
6.7.2 Osets Table 75
6.7.3 Tool Oset and Fixture Informaon Backup 75
6.7.4 Work Tab 76
6.8 Conversaonal Tab 76
6.8.1 Using Feeds and Speeds Suggesons 76
6.8.1.1 Adjusng DRO Values 78
6.8.1.2 Reseng DRO Values 78
6.8.1.3 Using Chip Load Informaon 78
6.8.2 Face Tab 79
6.8.3 Prole Tab 80
6.8.4 Pocket Tab 82
6.8.4.1 Rectangular 82
6.8.4.2 Circular 83
6.8.5 Drill Tab 85
6.8.6 Thread Mill Tab 87
6.8.7 Engrave Tab 89
6.8.8 DXF Tab 91
6.8.8.1 Working with Layers and Shapes 91
6.8.8.2 Working in the Preview Window 92
6.9 Probe Tab 92
6.9.1 XYZ Probe Tab 93
6.9.2 Rect/Circ Tab 94
6.9.3 Probe/ETS Setup Tab 95

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PREFACE
6.10 ADMIN Commands 95
7. Programming 96
7.1 Denions 96
7.2 G-code Programming Language 99
7.2.1 Overview 99
7.2.2 Block 99
7.2.3 Real Value 99
7.2.4 Number 99
7.2.5 Formang G-code Blocks 100
7.2.6 Oponal Program Stop Control – (M01 BREAK) 103
7.2.7 Addional G-code Formang Notes 104
7.2.7.1 Repeated Items 104
7.2.7.2 Order of Execuon 104
7.2.7.3 Error Handling 106
7.2.7.4 Modality and Modal Commands 106
7.2.7.5 Modal Groups 106
7.2.7.6 Default Modes 107
7.3 G-codes 107
7.3.1 Rapid Linear Moon – G00 109
7.3.2 Linear Moon at Feed Rate – G01 110
7.3.3 Arc at Feed Rate – G02, G03 111
7.3.3.1 Radius Format Arc 111
7.3.3.2 Center Format Arc 112
7.3.4 Dwell – G04 115
7.3.5 Set Osets – G10 115
7.3.5.1 Set Tool Table – G10 L1 115
7.3.5.2 Set Coordinate System – G10 L2 115

Chapter 1 14 UM10372_PCNC440_Manual_0221A
PREFACE
7.3.5.3 Set Tool Table – G10 L10 116
7.3.5.4 Set Tool Table – G10 L11 117
7.3.5.5 Set Coordinate System – G10 L20 117
7.3.6 Plane Selecon – G17, G18, and G19 118
7.3.7 Length Units – G20, G21 118
7.3.8 Return to Pre-dened Posion – G28, G28.1 118
7.3.9 Return to Pre-dened Posion – G30, G30.1 119
7.3.10 Straight Probe – G38.x 119
7.3.10.1 Using the Straight Probe Command 120
7.3.11 Cuer Compensaon – G40, G41, and G42 121
7.3.11.1 Cuer Compensaon O – G40 121
7.3.11.2 Cuer Compensaon On – G41, G42 122
7.3.12 Dynamic Cuer Compensaon – G41.1, G42.1 122
7.3.13 Apply Tool Length Oset – G43 123
7.3.14 Engrave Sequenal Serial Number – G47 124
7.3.15 G49 Cancel Tool Length Compensaon – G49 124
7.3.16 Absolute Coordinates – G53 125
7.3.17 Select Work Oset Coordinate System – G54 to G59.3 125
7.3.18 Set Exact Path Control Mode – G61 125
7.3.19 Set Blended Path Control Mode – G64 126
7.3.20 Distance Mode – G90, G91 126
7.3.21 Arc Distance Mode – G90.1, G91.1 126
7.3.22 Temporary Work Osets – G92, G92.1, G92.2, and G92.3 127
7.3.23 Feed Rate Mode – G93, G94, and G95 127
7.3.24 Spindle Control Mode – G96, G97 128
7.4 Canned Cycles 129
7.4.1 High Speed Peck Drilling Cycle – G73 131

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7.4.2 Cancel Acve Canned Cycle – G80 131
7.4.3 Simple Drilling Cycle – G81 132
7.4.4 Simple Drilling Cycle (dwell) – G82 134
7.4.5 Peck Drilling Cycle – G83 134
7.4.6 Boring Cycle (feedrate out) – G85 134
7.4.7 Boring Cycle (dwell, rapid out) – G86 135
7.4.8 Boring Cycle (dwell, manual out) – G88 135
7.4.9 Boring Cycle (dwell, feedrate out) – G89 135
7.5 Built-in M-codes 136
7.5.1 Program Stop and Program End – M00, M01, M02, and M30 136
7.5.2 Spindle Control – M03, M05 137
7.5.3 Tool Change – M06 137
7.5.4 Coolant Control – M07, M08, and M09 137
7.5.5 Override Control – M48, M49 138
7.5.6 Feed Override Control – M50 138
7.5.7 Spindle Speed Override Control – M51 138
7.5.8 Set Current Tool Number – M61 138
7.5.9 Set Output State – M64, M65 139
7.5.10 Wait on Input – M66 140
7.6 Other Input Codes 140
7.6.1 Feed Rate – F 140
7.6.2 Spindle Speed – S 140
7.6.3 Change Tool Number – T 141
7.7 Advanced Programming with Parameters and Expressions 141
7.7.1 Parameters 141
7.7.2 Parameter Types 143
7.7.2.1 Numbered Parameters 143

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PREFACE
7.7.2.2 Subroune Parameters 145
7.7.2.3 Named Parameters 145
7.7.3 Expressions 145
7.7.3.1 Binary Operators 145
7.7.3.2 Funcons 147
7.8 Programming with Subrounes 147
7.8.1 Subroune Labels and Subroune Keywords 147
7.8.1.1 Dening a Subroune 148
7.8.1.2 Calling a Subroune 149
7.8.1.3 Condional Subrounes 150
7.8.1.4 Repeang Subrounes 150
7.8.1.5 Looping Subrounes 151
8. Accessories 153
8.1 Stands and Enclosures 153
8.1.1 Full Enclosure Kit 153
8.1.2 Stand 153
8.2 Coolant System Opons 153
8.2.1 Flood Coolant Kit 153
8.2.2 Spray Coolant 154
8.2.3 Coolant Hose and Accessories 154
8.2.4 Tramp Oil Pillow 154
8.3 Mill Opons 154
8.3.1 LED Spindle Light 154
8.3.2 External Contactor Kit 154
8.3.3 USB M-code I/O Interface Kit 155
8.3.4 Kress Spindle Kit 155
8.3.5 Probe 155

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PREFACE
8.3.5.1 Calibrang Probe Tip 156
8.3.5.2 Measuring Probe Tip Diameter 157
9. Maintenance 158
9.1 Regular Maintenance 158
9.1.1 Rust Prevenon 159
9.1.2 Way Covers 159
9.1.3 Flood Coolant System 159
9.1.4 Lubricaon System 159
9.1.4.1 Manual Oiler Specics 160
9.1.5 Drawbar and TTS Collet 161
9.2 Spindle Belt 161
9.3 Advanced Maintenance 161
9.3.1 Overview 161
9.3.2 Denions 162
9.3.2.1 How to Measure Lost Moon 162
9.3.3 Gib Adjustment 164
9.3.3.1 Overview 164
9.3.3.2 Adjustment Procedure 164
9.3.4 Angular Contact Bearing Preload Adjustment 165
9.3.4.1 Overview 165
9.3.4.2 Adjustment Procedure 166
9.3.5 Geometry Adjustment of Precision Mang Surfaces 167
9.4 Spindle Bearing Adjustment 167
9.5 Transporng the Mill 167
10. Diagrams and Parts List 169
10.1 Spindle Head Assembly (exploded view) 169
10.2 Z-axis Column Assembly (exploded view) 171

Chapter 1 18 UM10372_PCNC440_Manual_0221A
PREFACE
10.3 X-Y Axis Assembly (exploded view) 173
10.4 Electrical Cabinet 176
10.5 Connecons 178
10.6 Stepper Connecons 179
10.7 Lubricaon System 180
11. Electrical Schemacs 181
11.1 PCNC 440 Electrical Schemac 181
11.2 PCNC 440 4th Axis Wiring 182

Chapter 1
19
UM10372_PCNC440_Manual_0221A
OvERviEw
1. OvERviEw
Tormach PCNC mills are intended for use as general purpose CNC mills. Pictured below is a typical
PCNC 440 mill set up, including several opons.
Item # Component Item # Component
1Electrical Cabinet 6 Spindle Door
2 Main Disconnect Switch 7 Spindle Door Latch
3DB-25 Connecon and
Accessory Input
8Chip Pan
9 Deluxe Stand (oponal)
4Serial Number Plate
5 Controller Compartment
Figure 1.1
5
9
2
4
3
7
8
6
1

Chapter 1 20 UM10372_PCNC440_Manual_0221A
OvERviEw
1.1 Specifications
Mechanical
Key
Dimensions
(machine table)
Length 18”
Width 6.25”
T-Slot Width 10 mm
T-Slot Center-to-Center Distance 50 mm
Number of Standard T-Slots Three along X-axis
Maximum Weight on Table 150 lbs.
Spindle Nose to Table (~max) 12”
Spindle Nose to Table (~min) 2”
Spindle Center to Z-axis Way Cover 6.5”
Travels
X-axis 10”
Y-axis 6.25”
Z-axis 10”
Spindle
Speed Range 300-10,000 RPM
Maximum Rang 3/4 hp (600 W)
Drive System Belt Driven (two
posions)
Low Belt: 300-4500 RPM
High Belt: 650-10,000 RPM
Taper R8
Feed Rates
Rapids on X 135 IPM
Rapids on Y 135 IPM
Rapids on Z 110 IPM
Max Cung 135 IPM (X, Y), 110 IPM (Z)
Temperature Operang Range 45˚F-100˚F (7˚C-38˚C)
Electrical
Power Requirements 115 VAC
Recommended Circuit Amperage115 AMP
1Dedicated circuit recommended; do not use with a ground-fault interrupter (GFI).