About Lees Bradner USA LT 8 x 36 Thread Milling Machine
Lees Bradner (USA) make Thread Milling Machine in excellent working condition. The model of the machine is LT type and it is complete with Change Gears, Operating Manuals & Electrical Drawings. The Maximum Job Diameter is 203 mm (8") and the Max. Cutting Length is 915 mm (36"). The technical details are as follows -
Make - Lees Bradner (USA)
Model - "LT" type
Max. Job Diameter - 203 mm (8")
Max. Length of Job - 915 mm (36")
Max. Length with Hydraulic Chuck installed - 762 mm (30")
Max. Cutter Diameter - 108 mm (4.25")
Cutter Speeds - 80 rpm to 350 rpm
Range of Cutter Head Rotation - LH 135 degree to RH 45 degree
Max. Swing Diameter of Job - 444 mm (17.5")
No. of Holes in Index Plate - 20
Hydraulic Chuck Diameter - 205 mm
- Equipped with Automatic Hydraulic Chuck and Hydraulic Tail-Stock.
- Complete with Change Gears, Operating Manual & Electrical Drawings.
- Machine is in excellent working condition.
Versatile Thread Milling CapabilityThe LT 8 x 36 thread milling machine is engineered to handle a wide range of threading tasks thanks to its adjustable thread pitch settings and compatibility with multiple thread types. Its manual control system and reversible spindle allow users to produce precision threads on workpieces measuring up to 8 inches in diameter and 36 inches in length.
Robust Build and Reliable PerformanceFabricated from heavy-duty cast iron and equipped with precision ground ways, this machine ensures stability and alignment throughout extended machining sessions. The installed 3 HP motor delivers consistent performance, while variable spindle speeds accommodate different materials and threading requirements.
User-Friendly Operation and AccessoriesWith both manual and power feed systems, the LT 8 x 36 offers operational flexibility. The inclusion of change gears and thread chasing dials assists users in achieving accurate thread dimensions. The built-in coolant system further enhances performance, reducing thermal distortion and prolonging tool life.
FAQ's of Lees Bradner USA LT 8 x 36 Thread Milling Machine:
Q: How can I adjust the thread pitch settings on the Lees Bradner LT 8 x 36 machine?
A: The machine comes with multiple change gears, enabling you to select the appropriate combination for the desired thread pitch. This allows the LT 8 x 36 to accommodate a variety of thread types and specifications, for both standard and custom threads.
Q: What types of workpieces are suitable for this thread milling machine?
A: This machine handles cylindrical workpieces up to 8 inches in diameter and 36 inches long, making it suitable for a broad range of threading applications in industries such as manufacturing, repair, and tool making.
Q: When is the coolant system used during operation?
A: The built-in coolant system is used during cutting processes to reduce heat, minimize wear on the cutting tools, and maintain the dimensional accuracy of threaded components. It is particularly important for longer or deeper threading tasks.
Q: Where can the Lees Bradner LT 8 x 36 be installed?
A: Designed as a floor-standing unit with an approximate floor space requirement of 84 x 48 inches, this machine is suitable for installation in workshops, manufacturing plants, or job shops with adequate space and 220/440V, 3-phase electrical supply.
Q: What is the process of changing feed systems on this machine?
A: The LT 8 x 36 features both manual and power feed systems. Users can switch between these modes as required by engaging the appropriate controls, allowing for either hands-on or automated table movement during thread milling operations.
Q: How do the included accessories aid in thread milling operations?
A: Change gears and thread chasing dials are provided to facilitate accurate adjustment of thread pitches and ensure precise replication of thread forms. This enhances the flexibility and repeatability of the machine's thread production.
Q: What are the benefits of using this machine for thread milling tasks?
A: The LT 8 x 36 offers consistent high-precision threads, robust and durable construction, and operational flexibility. Its variable speeds, reversible spindle, and manual controls provide adaptability, while the built-in coolant system and accessories help improve efficiency and product quality.