J&L Automatic Thread Grinders Operator's Manual
Operator's manual for Jones & Lamson 6x36, 12x45, and 5x30 automatic thread grinders. This comprehensive workshop manual covers installation setup, routine maintenance procedures, electrical operations, and detailed thread grinding instructions for all three models. Includes sections on automatic trueing devices, relieving and interrupting thread grinding attachments, hob grinding attachments, and internal grinding attachment configuration. Features a detailed front view diagram with all labeled components plus a thorough table of contents spanning 143 pages, making it an essential service reference for machine operators and maintenance technicians.
Table of Contents:
- Chapter One - SOME POINTS
- Chapter Two - INSTALLATION and MAINTENANCE
- Installation
- Oiling
- Maintenance
- Chapter Three - ELECTRICAL OPERATIONS
- One-unit Control Panel - Motors and Accessories
- Motors Incorporated in Control Panel
- Start and Push Buttons in Station on Bed Front
- Drum
- Automatic Machine Stop
- Braking
- Engagement of 2 LS
- Automatic Truing
- Wheel Motor - Coolant Motor
- Wheel Motor - Dynamic Braking
- Chapter Four - INSTRUCTIONS FOR THREAD GRINDING
- General
- Notes on Grinding Wheels
- Storing Grinding Wheels
- Balancing the Wheel
- Mounting the Wheel
- Diamonds
- Dressing the Wheel
- Truing Device Selector
- Work Speeds and Depths of Cut
- Changing Diamonds
- Backlash Compensator (Used in Two-way Grinding)
- Pre-threaded work
- Multiple Threads
- Back Gears
- .0001 Feed Screw
- Setting-up for Taper
- Cycle Chart of Set-ups
- Work Speeds in Feet per Minute
- Table of Change Gears
- Chapter Five - THE J&L AUTOMATIC TRUING DEVICES
- Chapter Six - RELIEVING - INTERRUPTING THREAD - & HOB GRINDING ATTACHMENT
- Chapter Seven - THE INTERNAL GRINDING ATTACHMENT
- APPENDIX - VALUABLE INFORMATION ON THREAD FORMS
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Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
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Document Details
- Format
- Pages
- 143
- Size
- 35.5 MB
- Category
- Machine Tools