Promac 941A, Operating Instructions Manual

Page 1: ...structions M BD 941A M Schweiz Suisse JPW TOOL AG T mperlistrasse 5 CH 8117 F llanden Switzerland www promac ch France TOOL France PROMAC 57 rue du Bois Chaland Z I du Bois Chaland case postale 2935 F...

Page 2: ...rective Maschinenrichtlinie Directive Machines 2014 30 EU electromagnetic compatibility elektromagnetische Vertr glichkeit compatibilit lectromagn tique designed in consideration of the standards und...

Page 3: ...1...

Page 4: ...ang speeds 13 Test Run Lathe 14 SECTION 4 OPERATE 15 General 15 Controls 15 Removing Installing Chuck or Faceplate 16 Dead Centers 17 Tailstock Positioning 18 Changing Tool Posts 18 Cross Slide 18 Com...

Page 5: ...and terminology used in this manual 1 Speed of Spindle rpm 2 Emergency Stop Switch 3 Lathe Power Indicator Light 4 Lathe ON OFF switch 5 Lathe Forward Reverse Switch 6 Lathe Chuck 7 Carriage Handwhee...

Page 6: ...Speed 1400 RPM 50Hz Speeds 1 Power Transfer Belt Drive to Gear Bearings Shielded and Permanently Lubricated Main Specifications Operation Info Swing Over Bed 250 mm Distance Between Centers 555 mm Swi...

Page 7: ...ds 6 Range of Inch Threads 10 44 TPI Number of Metric Threads 15 Range of Metric Threads 0 4 3 mm Dimensions Bed Width 135 mm Lead screw Diameter 20mm Lead screw Pitch 2 mm Lead screw Length 792 mm St...

Page 8: ...odating a two hole receptacle ground using a screw to a known ground 4 Wear eye protection at all times Use safety glasses with side shields or safety goggles that meet the appropriate standards of th...

Page 9: ...ord with an undersized gauge or one that is too long excessive heat will be generated within the circuit increasing the chance of a fire or damage to the circuit 17 Keep proper footing and balance at...

Page 10: ...ult especially if connected to an undersized circuit To reduce the risk of these hazards avoid overloading the machine during operation and make sure it is connected to a power supply circuit that mee...

Page 11: ...l Check with a qualified electrician or service personnel if you do not understand these grounding requirements or if you are in doubt about whether the tool is properly grounded If you ever notice th...

Page 12: ...e carrier or its agent Otherwise filing a freight claim can be difficult When you are completely satisfied with the condition of your shipment inventory the contents Inventory The following is a descr...

Page 13: ...tact surfaces Avoid chlorine based solvents such as acetone or brake parts cleaner that may damage painted surfaces Always follow the manufacturer s instructions when using any type of cleaning produc...

Page 14: ...fore installation Figure 4 The lathe has 6 speeds See Figure 5 The belt installed for 3 kinds of low speed as shown by dotted lines in Figure 4 The belt installed for 3 kinds of high speed as shown by...

Page 15: ...N position The lathe does not start 10 Turn the Fwd Rev switch to the right Fwd position 11 Turn the selector switch to the ON position The lathe runs The lathe power light should light up Allow the l...

Page 16: ...perate this machine If at any time you are experiencing difficulties performing any operation stop using the machine If you are an inexperienced operator we strongly recommend that you read books trad...

Page 17: ...rize yourself with the spindle nose components shown in Figure 8 4 Place a piece of plywood over the bed ways to protect your hands 5 Hold the chuck faceplate with your hand or a chuck key and using a...

Page 18: ...chuck mounting nuts to the back of the knurled lock plate then final tighten all three with even pressure 7 Remove all wrenches and chuck keys from the chuck spindle nose 8 Move the lathe chuck guard...

Page 19: ...ter line follow the instructions above but reverse Steps 3 4 Figure 12 Tailstock positioning controls Cross Slide The cross slide moves perpendicular to the longitudinal axis and features a scale on t...

Page 20: ...ndwheel make sure the threads are engaging and all backlash has been cleared before you set the handwheel scale to 0 or it will not be accurate Figure 14 Loosening the compound Cap screws Carriage Han...

Page 21: ...see Figure 19 you can set up the carriage feed to cut any of the thread pitches indicated This is how to read the feed rate charts 1 The box in the upper left hand corner of each chart tells whether t...

Page 22: ...he lines between gears D E and gears F L on the chart in Figure 23 indicate where the gears should be engaged Figure 23 6 The boxes shaded in Figure 24 represent the actual gear combinations required...

Page 23: ...e threading Figure 28 Fixed screw hole When Forward gear mesh D gear is right handed threads see Figure 26 When Reverse gear mesh D gear is left handed threads see Figure 27 There are three hole can b...

Page 24: ...mply leave them alone unless they need to be replaced Before adding lubricant clean away any debris and grime from the lubrication point to avoid contaminating the lubricant and increasing wear of the...

Page 25: ...s that maintain tension on the slide see Figure 33 These screws are held in place with retaining nuts To adjust loosen the retaining nuts and then tighten the screws evenly to achieve a slight drag wh...

Page 26: ...ust enough to introduce spindle end play that you can feel by hand Figure 37 4 Clockwise to tighten the Spindle Lock Nut Rotating the 3 Jaw Chuck with spindle Check the spindle bearing preload Spindle...

Page 27: ...spanner nut a little less during Step 7 in the preceding instructions NOTICE Do not over tighten the outer spanner nut because additional pressure can force the bearings even tighter against the races...

Page 28: ...nt une p riode de 24 mois partir de la date pl t n est pas renvoy avec la machine en question pour toute r paration ______________________ __________________________________________ Modell Mod le Name...