YCM JT15 Flashcards
(40 cards)
What are the X, Y, and Z axis travels of the JT15?
The axis travels are 59.06” (X), 33.86” (Y), and 29.53” (Z), allowing the machining of large parts with high precision.
What unique feature does the JT15’s T-base design provide?
The T-base design ensures the table is fully supported regardless of axis position, accommodating a table load capacity of 4,409 lbs, ideal for large parts requiring high accuracy.
What material is the bed of the JT15 constructed from?
The bed is made from Meehanite cast iron, providing excellent rigidity and vibration damping for demanding machining operations.
What type of guideways does the JT15 use for all axes?
The JT15 uses square box ways with Turcite B, offering superior rigidity, reduced vibration, and high wear resistance.
How do pre-tensioned ballscrews improve machine performance?
They minimize thermal growth and enhance the rigidity, stability, and precision of the machine during heavy machining operations.
What is the positioning accuracy of the JT15 on all axes?
The positioning accuracy is 0.00055” (X/Y/Z), ensuring precise movements during machining.
What is the repeatability of the JT15 on all axes?
The repeatability is ±0.00039” (X/Y/Z), maintaining consistent accuracy across repetitive operations.
What are the rapid traverse rates of the JT15?
The rapid traverse rates are 591 ipm for the X and Y axes and 472 ipm for the Z axis, reducing non-cutting time.
What are the cutting feed rates of the JT15?
The cutting feed rates are 196.9 ipm for all axes, ensuring smooth and efficient machining.
What is the ballscrew pitch for the JT15’s axes?
The ballscrew pitch is 0.393”, designed for smooth and precise axis movement.
What spindle interface is used in the JT15?
The machine uses a Big Plus CAT50 spindle interface, providing excellent rigidity and tool-holding precision.
What is the spindle speed range of the JT15?
The spindle speed ranges from 100 to 6,000 RPM, suitable for both roughing and finishing operations.
What is the maximum horsepower of the JT15 spindle motor?
The spindle motor delivers a maximum of 33 HP (21 kW) for 30 minutes, with a continuous rating of 20 HP (15 kW).
What is the torque rating of the JT15 spindle motor?
The spindle delivers 347.48 ft-lbs at 30 minutes and 281.73 ft-lbs at continuous rating, enabling machining of tough materials.
What spindle cooling technology does the JT15 use?
The spindle uses a chiller unit for thermal stability, minimizing heat migration and maintaining accuracy during extended operations.
What are the table dimensions of the JT15?
The table measures 66.93” x 33.86”, offering ample space for large workpieces.
What is the maximum table load capacity of the JT15?
The table can handle up to 4,409 lbs, making it suitable for heavy-duty applications.
What is the height of the table from the floor?
The table is 38.58” high, offering ergonomic access for operators.
What is the maximum workpiece size the JT15 can accommodate?
The JT15 supports workpieces up to 66.93” in length, 33.86” in width, and 29.53” in height.
What is the configuration of the table’s T-slots?
The table features 5 T-slots, each 0.866” wide and spaced 5.905” apart, accommodating various work-holding setups.
What is the standard tool capacity of the JT15’s ATC?
The ATC holds 32 tools, with an optional upgrade to 40 tools.
What is the maximum tool diameter with adjacent pockets full?
The maximum tool diameter is 4.72” when all pockets are full.
What is the maximum tool length and weight the ATC can handle?
The ATC accommodates tools up to 13.77” in length and 44 lbs in weight.
What is the tool-to-tool change time for the JT15’s ATC?
The tool-to-tool change time is 5 seconds, enhancing productivity.
