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- Page 1 Operating and Maintenance Manual OFFMANN PP2-NCF programmable Dovetail achine Routing Machine Company, Inc. Version: SO 7.267 Hoffmann Machine Company, Inc. 1386 Drexel Road Valdese, NC 28690 – USA Ph: (828) 430 - 4510 www.Hoffmann-USA.com...
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Page 2: Table Of Contents
15.2 Electrical and compressed air connections ...................30 15.3 Compressed air connections ......................31 15.4 Dust collection connections ......................32 OPERATION – WARNINGS AND SAFETY RULES ................33 16.1 Initial start-up ..........................34 16.2 Tooling (router bit) change ......................35 16.3 Router bit adjustments........................38 HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... - Page 3 TERMS AND CONDITIONS OF SALE AND WARRANTY ..............48 TECHNICAL SUPPORT DOCUMENTATION - ADDENDUM............... 51 Addendum Overview ........................51 PNEUMATIC CIRCUIT DIAGRAM PP2-NCF ..................52 MACHINE DETAIL DRAWINGS PP2-NCF ..................53 MACHINE PARTS LIST PP2-NCF ....................... 56 HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©...
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Page 4: Warning And Safety Symbols Used In This Manual
This symbol does not include a warning. It is used to denote helpful hints and tips to improve the operation and performance of the equipment. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 5: Warning And Safety Labels Attached To Machine
Operating and Maintenance Manual 2.1 Warning and Safety Labels attached to machine A number of important warning labels have been attached to this PP2-NCF dovetail routing machine for your information and protection. For your own safety, please take a moment to locate and read all warning labels before operating this machine. - Page 6 Operating and Maintenance Manual HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©...
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Page 7: Intended Use And Operation
Operating and Maintenance Manual Intended Use and Operation The HOFFMANN PP2-NCF is designed solely for automatic routing of dovetail keyways into solid wood and wood-related materials. The machine may not be used for any other processes or materials. All work pieces must fall within the following dimensional parameters:... -
Page 8: Technical Changes And Maintenance
3.2 Technical Changes and Maintenance Technical changes or alterations of any kind are only permitted if the prior written authorization from Hoffmann Machine Company, Inc. has been secured. Never remove safety guards and shields, remove or by-pass safety devices, switches, sensors, use or install tooling other than originally supplied. -
Page 9: Change Of Ownership
This includes any and all operator manuals, maintenance instructions, equipment or components replacement parts, etc. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 10: Machine Description
Operating manual The HOFFMANN PP2-NCF is designed to rout up to three dovetail keyways into the mitered ends of pre-cut moulding made of wood or wood-related material. Adjustments for position of dovetail keyways and lenght of routing strokes allow the operator to process different moulding styles. -
Page 11: Technical Data And Specifications
16 A slow acting Router motors 2x router motor Type UAD-33 1,000 watt – 230 volt Router bits 2x Hoffmann Dovetail Router Bits, size W1 / W2 / W3 Pneumatics 6 bar – 90 psi (max. 8 bar) Compressed air supply Approx. -
Page 12: Operator Environment
Supply lines, wires and hoses must be inspected periodically and replaced if any damage is observed. The environmental conditions must meet the guide lines given under section 5 “Technical Date and Specifications”. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 13: Potentially Dangerous Areas
Do not wear loose fitting clothing. Long hair must be covered with a hair net. Danger of cutting of hands and fingers! All routing areas present dangers of cutting of hands and fingers. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 14: Potential Sources Of Danger
Never reach into the machine during operation!! Only make adjustments during operation if these adjustments are absolutely necessary and if the procedure is fully outlined and approved in this operator manual. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 15: Defective Equipment
Do not eat, drink or smoke when using chemicals. Dispose of used cleaning agents and other chemicals in accordance with all State and local laws. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 16: Remaining Risks
If the operator does not pay attention, it is possible to squeeze ones’ fingers when loading and pre-clamping a work piece. Never place your fingers under the clamp pads of the pneumatic material clamping cylinders! HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 17: Noise Emissions
Machine is owner is responsible for providing suitable protective gear depending on total noise emissions and local and state laws and regulations. All OSHA regulations pertaining to noise protection are to be adhered to. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 18: General Safety Rules In Accordance With Din 1870-9
HOFFMANN Service Technicians will instruct machine operators in the proper use of this equipment upon installation and set-up. The HOFFMANN PP2-NCF dovetail routing machine may only be operated by trained personnel who have read and understood the operator manual. The manual shall be kept in a safe location, easily accessible for future reference. - Page 19 Operating and Maintenance Manual 12. If the HOFFMANN PP2-NCF dovetail routing machine has been moved, or has been out of service for an extended period of time, all safety features, guards and safety devices must be checked and repaired or replaced if necessary before the machine is put back into operation.
- Page 20 The operator shall not remove cut-offs or debris while the machine is in operation. xii) The operator shall assure that all safety features, guards and safety devices are checked and repaired or replaced if necessary before the machine is put into operation. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©...
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Page 21: Safety Devices
Operating and Maintenance Manual 11 Safety Devices A number of safety devices have been designed and installed on the HOFFMANN PP2-NCF dovetail routing machine to provide the best possible protection for the operator. Warning: Strictly follow all safety rules! 1. The machine features safety shields, doors and guards which must be in place and locked when operating the equipment. -
Page 22: Safety Devices
Material clamps with low-pressure pre-clamp circuit Safety cover on foot switch Lockable main power switch In an emergency, one can also use the power switch (on front of right side electrical cabinet) to stop the machine! HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 23: What To Do In An Emergency
Use the E-Stop button ONLY in an emergency! Do not use the E-Stop button for regular or controlled shut-down as this may cause operational faults in the control system. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... - Page 24 Operating and Maintenance Manual HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©...
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Page 25: Safety Device Check List
All functions of the machines must cease immediately and the saw blades must return to their home position. The material clamps must remain in the extended (clamped) position. Release the E-Stop button before restarting the machine. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 26: Warranty And Liability
Operating and Maintenance Manual Warranty and Liability The „Hoffmann Machine Company, Inc. Terms and Conditions of Sale“ are the basis for all dealings between the manufacturer and the customer. These Terms have been made available to the customer during the proposal and order processing stage. -
Page 27: Transportation And Installation
Hoffmann Machine Company, Inc. to perform such work. Danger of Injury! HOFFMANN PP2-NCF can tilt or fall over during transportation! Only use properly equipped and sufficiently sized equipment to lift and transport the PP2- NCF. -
Page 28: Transportation
Operating and Maintenance Manual Transportation The PP2-NCF may be lifted and moved with a pallet jack or fork lift having a lifting capacity of at least 1,000 lbs. Only lift the machine at the marked lift points and secure it against tipping or tilting during transport if necessary. -
Page 29: Installation And Set-Up
Make all electrical and pneumatic connections per the enclosed circuit diagrams and according to all local and state laws. Pallet truck may be used from front or rear of machine. See section „Electrical and compressed air connections“ HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 30: Electrical And Compressed Air Connections
Operating and Maintenance Manual 15.2 Electrical and compressed air connections HOFFMANN PP2-NCF dovetail routing machine is delivered pre-wired and ready for on-site connections Danger: Follow these safety instructions! Trip Hazard! Lose wires and cables must be secured and covered with an appropriate cable cover to reduce the risk of tripping and falling. -
Page 31: Compressed Air Connections
Pneumatic circuit remains under pressure even when main power switch is switched-off Check all air pressure lines and hoses for and locked! tightness and leak-proof fittings. Correct any problems prior to initial start- HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 32: Dust Collection Connections
20ms-1 Minimum velocity at dust collection port: Dry wood chips: 65 ft/s = 20ms-1 Wet wood chips: 90 ft/s = 28ms-1 Wet chips are chips with moisture content greater than 18%. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 33: Operation - Warnings And Safety Rules
Only trained and authorized personal may perform set-up and maintenance work. Control parameters are adjusted at the factory for optimal performance and may not be changed or tampered with. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 34: Initial Start-Up
Switch-on the main power switch (2) Switch-on operator console with white button (3). Touch screen (4) will boot up and indicate when machine ready for operation. Initiate initial reference sequence – see separate instructions HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 35: Tooling (Router Bit) Change
Note: New chip breakers should be installed every time router bits are changed or replaced. Use only original Hoffmann solid carbide router bits! W-1 Part number W2016350 W-2 Part number W2026350 ... - Page 36 5. Losen clamp bolt in motor bracket with 6mm Allen key and slide motor backward and out of bracket. Clamp bolt 6. Using 3mm Allen key, remove M4x16mm bolt and remove old chip breaker. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©...
- Page 37 14. Using sample material, make tests cut in two pieces of moulding (without chip breakers installed) and check the resulting joint by inserting a Hoffmann Dovetail Key. 15. If setting is correct, raise carriage approx. 50mm (2”) with hand wheel and install new chip breakers in table recess (you will have to round corners of standard chip breakers before installation).
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Page 38: Router Bit Adjustments
Operating and Maintenance Manual 16.3 Router bit adjustments Hoffmann Dovetail Keys are designed to create permanent and reliable joints in a wide range of wood products. For optimum strength and reliability, it is important to adjust the router bits properly. -
Page 39: Machine Controls
E-stop to imemdiatly stop all machine functions and movements Foot switch To activate material clamps Center Fence Plate Standard 45 degree fence plate, other angles otpional Material clamp cylinder Short-stroke cylinder to clamp work piece securely on machine table HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 40: Machine Operation - Start-Up Of Machine
Serious injury could result if the work piece is not securely clamped during the routing operation. Replace the felt pads as needed – replacement parts are available from Hoffmann, Inc. Start-up of machine 1. Release Emergency-Stop button by pulling red button out. -
Page 41: Faults - Errors - Emergencies
Emergency Stop reset Upon activating the Emergency Stop Switch (1) follow these steps to re-set the machine controls: 1. Release red E-Stop button (1). 2. Switch on machine control panel (2). HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 42: Trouble Shooting Chart
– wood splitting Dovetail Key not tight enough Router bits do not cut deep enough into Move motor(s) forward by 0.2- when inserted – miter faces do miter face 0.5mm not touch HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 43: Maintenance
No loose fitting clothes e.g. ties or shawls, or bracelets, wristwatches, necklaces, etc. may be worn when operating this machine. Persons with long hair should tie their hair securely and wear an appropriate hair covering to avoid entanglement. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 44: Maintenance Schedule
80mm²/s(cSt) - ISO-VG 68 ISO-VG 100 first. Linear bearings The guide rod bearings are No additional lubrication is necessary Maintenance free Guide rod blocks filled with grease at the factory. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... - Page 45 Remove grease expelled from grease fitting or bearings. Refill linear bearing with grease. Refill air lubricator with BOSCH S OL 20 pneumatic lubricant. Check pneumatic circuit for leaks and repair if necessary. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©...
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Page 46: Pneumatic Air Regulator-Filter-Lubricator Assembly
Air pressure must be switched-off and locked out! Use only water, mineral spirits or WD 40 to clean pneumatic filters and bronze exhaust mufflers. Clean or replace filters if pressure drop is noted in system. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 47: Eg-Conformity Certification
2006/42/EG, Anhang II, Nr.1 A Firmenanschrift: Hoffmann Maschinenbau GmbH Mergelgrube 5, 76646 Bruchsal Deutschland Herr Arnd Wenz ist bevollmächtigt, die technischen Unterlagen zusammenzustellen. Anschrift: Hoffmann GmbH, Arnd Wenz, Mergelgrube 5, 76646 Bruchsal Hiermit erklären wir, dass die Maschine Bezeichnung: PP2-NCF Type: Dovetail Routing Machine Typennummer: 7.267... -
Page 48: Terms And Conditions Of Sale And Warranty
The terms and conditions contained herein apply to proposals made, and to purchase orders received, by HOFFMANN MACHINE COMPANY, INC. (hereinafter called “Seller”), and sets forth the entire agreement between the parties hereto, and supersedes all communication, representations or agreements, whether... - Page 49 (a) Phone order specifications are filled at Buyer’s risk unless confirmed in writing prior to commencement of manufacture. (b) If equipment is found not the meet original specifications, Seller shall have a reasonable time to make adjustments. 14. Law Governing: HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©...
- Page 50 Any such determination shall not affect the enforceability or validity of the remaining provisions. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©...
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Page 51: Technical Support Documentation - Addendum
Technical Support Documentation - Addendum a. Addendum Overview Enclosed with the Machine Manual are the following documents: Machine parts list Electronic circuit diagrams Pneumatic circuit diagrams Machine drawings HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... -
Page 52: Pneumatic Circuit Diagram Pp2-Ncf
Operating and Maintenance Manual Pneumatic Circuit Diagram PP2-NCF Always call Hoffmann, Inc. direct (866) 248 – 0100 with any service, maintenance or parts related requests. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... -
Page 53: Machine Detail Drawings Pp2-Ncf
Operating and Maintenance Manual Machine Detail Drawings PP2-NCF Always call Hoffmann, Inc. direct (866) 248 – 0100 with any service, maintenance or parts related requests. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©... - Page 54 Operating and Maintenance Manual Always call Hoffmann, Inc. direct (866) 248 – 0100 with any service, maintenance or parts related requests. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©...
- Page 55 Operating and Maintenance Manual Always call Hoffmann, Inc. direct (866) 248 – 0100 with any service, maintenance or parts related requests. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©...
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Page 56: Machine Parts List Pp2-Ncf
Spannsätze Typ SIG, D8-D14 HTD-5M für Riemenbreite 15mm z30 17233000-B14 Bohrung=D14 7.219.00.06-03 Motorhalterung ST1-R16-05T3-FSIDIN ST-1 P1-25/VSVB Hauptschalter kpl. Always call Hoffmann, Inc. direct (866) 248 – 0100 with any service, maintenance or parts related requests. HOFFMANN PP2-NCF • Version 7.267 • 12-2017 ©... - Page 57 Wellenhalterung HM-30-30-135 Strebenprofil-30-30-135mm 7.267.00.31 Distanzplättchen 7.267.00.41 Innenanschlag 45°-links GN300-63-M6-16-SW Klemmhebel M6-16 R412010410 Wegmeßsensor 160mm Always call Hoffmann, Inc. direct (866) 248 – 0100 with any service, maintenance or parts related requests. HOFFMANN PP2- NCF • Version 7.267 • 12-2017 ©...
- Page 58 7.267 Touch Screen Instructions Hoffmann Dovetail Routing Machine PP2-NCF Nr. 7.267 Version: 12-2017...
- Page 59 SUB MENU USER ..........................12 SUB MENU SERVICE AXIS ........................13 SUB MENU MANUAL OPERATION .....................14 SUB MENU SET-UP ..........................15 SUB MENU LANGUAGE ........................16 SUB MENU MONITOR ..........................17 STEP-BY-STEP INSTRUCTIONS – ENTERING A NEW PROFILE .............18 © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017...
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Page 60: Main Menu
V-axis Selector Field to move to sub-menu SERVICE Selector Field to move to sub-menu TOOLS Selector Field to move to sub-menu GRID Selector Field to move to sub-menu FILES © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... - Page 61 Due ot the varying size of shutter frame material and the need for special support plates, when processing shutter frames the material is referenced against the center fence plate but the selector must be set to Fence Outside ! © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017...
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Page 62: Sub Menu Material Dimensions
Operating Manual Main Menu Sub Menu Material Dimensions Number Field To enter material width Number Field To enter material thickness Selector Field Press arrow to switch to sub-menu for keyway position entry © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 63: Sub Menu Keyway Positions
Operating Instructions Sub Menu Keyway Positions Number Field To enter keyway position(s) and keyway length(s) -- routing heights © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 64: Sub Menu Files
To create new file Selector Field To delete file Selector Field To move to sub menu SERVICE Selector Field To move to sub menu USB Selector Field To return to home screen © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 65: Sub Menu Loading From Usb Port (1)
To move files selection up and down Selector Field Press to select data Selector Field Press to download file from USB drive Display Field Displays file name selected with upa dn down arrows © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... - Page 66 Operating Manual Main Menu Sub Menu Loading from USB port (2) Selector Field To transfer data from USB drive to machine PLC Selector Field To transfer data from machine PLC to USB drive © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017...
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Page 67: Data Entry Table
Length (routing height) of first keyway Position of second keyway Number Field Selector Field Enter Text Field File name Selector Field To enter new data set Selector Field To switch to sub menu USB © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 68: Sub Menu Service
Any changes to paramter values should be perfomed carefully, we recommend accurate record keeping and photos prior to making any changes. This menu is passowrd protected (1961). Please contact Hoffmann Machine Company, Inc. if assistance is required. Selector Field To select sub menu USER... -
Page 69: Sub Menu User
Level 4 allows creation of new lower level passwords. LEVEL Permissions password Manual data entry and loading of files Additional changes to parameter 1234 All permissions except creation of new passwords 1961 Full access (Hoffmann factory only) **** © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 70: Sub Menu Service Axis
Jog buttons to manually move axis in increments. Double arrows for increased speed. Display Field Red dot signals axis has nto been referenced. Dot will change to green after successful reference sequence. © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 71: Sub Menu Manual Operation
Round indicators shows current status: Left side green – pneumatic piston in home position or router motor OFF Right side green – pneumatic piston in fully extended position or router motor ON © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 72: Sub Menu Set-Up
Operating Manual Main Menu Sub Menu Set-Up All values are factory set paramters and should only be changed if directed by a Hoffmann technician. © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 73: Sub Menu Language
Operating Instructions Sub Menu Language Switch between German and English display language. Press button Dimensions to switch between millimeter and inches. © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 74: Sub Menu Monitor
Sub Menu Monitor Contrast To adust screen contrast Brightness To adjust screen brightness For service tech only – to connect PLC to external network or IP-Adress / Gateway laptop To calibrate touch screen response © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017... -
Page 75: Step-By-Step Instructions - Entering A New Profile
10 Use virtual keyboard to enter new file name 11. Press SAVE button on keyboard 12. Press YES to save file 13. Press TRANSFER button to transfer data to home screen 14. Press HOME button to return to home screen © Hoffmann PP2-NCF• s/n: 7.267.00 • 12 -2017...
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