Bridgeport J-Head Series Manuals

Manuals and User Guides for Bridgeport J-Head Series. We have 1 Bridgeport J-Head Series manual available for free PDF download: Manual

Bridgeport J-Head Series Manual

Bridgeport J-Head Series Manual (69 pages)

Brand: Bridgeport | Category: Power Tool | Size: 2 MB

Table of Contents

Table of Contents
2
1 Document Information

7
- Disclaimer
  7
- Notes from the Author
  7
- Copyright
  7
- Document Organization
  8
- Change History
  8
- Dedications and Acknowledgements
  8
2 Mill Overview

9
- Mill Description
  9
- Repair Estimates
  9
- Figure 1 - Mill ID Plate
  9
- Why Would I Do this
  10
- Isn't It too Old
  10
- Figure 2 - J Head
  10
- Figure 3 - Table and Knee
  10
- Disassembly/Reassembly Suggestions
  11
- Figure 4 - Grub Screws, Note the Hollow Locking Screw
  12
3 Motor and Drive Section

13
- Motor Removal, Inspection, & Reassembly (RIR)
  13
  - Motor Removal
    13
  - Motor Inspection
    13
  - Figure 5 - Motor Nuts
    13
  - Motor Reassembly
    14
- Motor Replacement
  14
- Drive Housing Section
  15
4 J-Head Section

19
- Figure 12 - J-Head
  19
5 Turret Section

32
- Figure 25 - Reverse Feed Gear Removal
  32
  - Ram Adapter RIR
    33
    
    Ram Adapter Removal
    33
    
    Ram Adapter Inspection
    33
    
    Ram Adaptor Reassembly
    33
    
    Figure 26 - Ram Adapter
    33
  - Ram RIR
    34
    
    Ram Removal
    34
    
    Ram Inspection
    34
    
    Figure 27 - Ram Assembly
    34
    
    Figure 28 - Turret Base and Ram Lock
    34
    
    Ram Reassembly
    35
    
    Figure 29 - Ram Installation
    35
  - Turret RIR
    36
    
    Turret Removal
    36
    
    Figure 30 - Ram Sliding Fixture
    36
    
    Turret Inspection
    37
    
    Turret Reassembly
    37
    
    Figure 31 - Turret Bolts and Cross Member
    37
    
    Figure 32 - Turret Reassembly
    37
    
    Figure 33 - Turret Cross Member
    38
6 0 Table Section

39
- Lead Screw Bearings & Brackets RIR
  39
7 Saddle Section

46
- Saddle Section Removal
  46
- Figure 43- Saddle
  46
- Figure 44- Lead Screw Nut
  46
- Saddle Section Inspection
  47
- Figure 45- Lead Screw Nut Bracket
  47
- Saddle Section Reassembly
  48
8 Knee Section

49
9 Tramming the Mill

53
- Bridgeport Method
  53
- Bearing Race Method
  54
- Tramming to the Vice
  54
10 Maintenance & Lubricants

55
- Backlash Adjustment
  55
- Figure 53 - Feed Nut Bracket
  55
- Feed Trip Adjustment
  56
- Spindle Lubricant
  56
- Figure 54 - Feed Trip Lever
  56
- Figure 55 - Spindle and Back Gear Lube Cups
  56
- Way Lubricant
  57
- Figure 56 - Way Lube Fittings
  57
- Figure 57 - Knee Lube Fittings
  57
11 Troubleshooting

58
12 CNC Conversion

58
- Why Would You Convert to CNC
  58
- Where Do You Start
  59
- Phase 1 - the Ball Screws
  59
- Phase 2 - the Electronics
  60
  - Open Loop System
    60
  - Figure 58 - CNC Electronics
    61
  - Closed Loop System
    62
- Phase 3 - the X and y Axes
  62
- Figure 59 - X Axis Drive Tube
  63
- Figure 60 - y Axis Drive Tube
  63
- Phase 4 - the Z Axis
  64
- Phase 5 - the Planetary Gearhead for Z Axis
  65
- Figure 62 - Z Axis Installation
  65
- Software Packages
  66
- The Moral of the Story
  66
- Figure 63 - Z Axis Planetary Gearbox Installation
  66
13 Reference Documents and Websites

68
- Documents
  68
- Websites
  68

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