Dynatrol Vertical Turret Lathe Variable Speed Feed Bracket Manual
Service manual for the Standard Feed Bracket (infinite feed type) fitted to Bullard Dynatrol Vertical Turret Lathes. This workshop manual covers complete feedworks operation, explaining variable-speed drive options and the operation of variable delivery piston pumps used in the transmission system. Detailed sections address hydro-mechanical transmission principles, yoke control servomechanism design, directional clutch operation, high-speed 3-way valve function, formsprag clutch behavior, and both directional and feed control systems. Includes general description of the feed bracket assembly, feedworks schematic diagrams, and step-by-step adjustment instructions for manual feed bracket setup and portable pendant control configuration. An essential repair reference for technicians servicing Dynatrol lathe feed systems.
Table of Contents:
- TYPES OF DRIVES
- CHIEF CHARACTERISTICS
- VARIABLE DELIVERY PISTON PUMPS
- SIMPLE HYDRO-MECHANICAL TRANSMISSION
- BULLARD HYDRO-MECHNICAL TRANSMISSION-(FEED WORKS) OPERATING PRINCIPLES
- YOKE CONTROL (SERVOMECHANISM)
- DIRECTIONAL CLUTCH
- HIGH SPEED 3-WAY VALVE
- FORMSPRAG CLUTCH
- DIRECTIONAL CONTROL
- FEED CONTROL
- GENERAL DESCRIPTION
- FEED WORKS SCHEMATIC
- ADJUSTMENT INSTRUCTIONS
- MANUAL FEED BRACKET
- PORTABLE PENDANT CONTROL
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Document Details
- Format
- Pages
- 60
- Size
- 24.1 MB
- Category
- Machine Tools