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YCM Mill Mastery |EAGLE MACHINE INC. > YCM JT15 > Flashcards

YCM JT15 Flashcards

1
Q

What are the X, Y, and Z axis travels of the JT15?

A

The axis travels are 59.06” (X), 33.86” (Y), and 29.53” (Z), allowing the machining of large parts with high precision.

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2
Q

What unique feature does the JT15’s T-base design provide?

A

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.

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3
Q

What material is the bed of the JT15 constructed from?

A

The bed is made from Meehanite cast iron, providing excellent rigidity and vibration damping for demanding machining operations.

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4
Q

What type of guideways does the JT15 use for all axes?

A

The JT15 uses square box ways with Turcite B, offering superior rigidity, reduced vibration, and high wear resistance.

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5
Q

How do pre-tensioned ballscrews improve machine performance?

A

They minimize thermal growth and enhance the rigidity, stability, and precision of the machine during heavy machining operations.

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6
Q

What is the positioning accuracy of the JT15 on all axes?

A

The positioning accuracy is 0.00055” (X/Y/Z), ensuring precise movements during machining.

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7
Q

What is the repeatability of the JT15 on all axes?

A

The repeatability is ±0.00039” (X/Y/Z), maintaining consistent accuracy across repetitive operations.

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8
Q

What are the rapid traverse rates of the JT15?

A

The rapid traverse rates are 591 ipm for the X and Y axes and 472 ipm for the Z axis, reducing non-cutting time.

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9
Q

What are the cutting feed rates of the JT15?

A

The cutting feed rates are 196.9 ipm for all axes, ensuring smooth and efficient machining.

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10
Q

What is the ballscrew pitch for the JT15’s axes?

A

The ballscrew pitch is 0.393”, designed for smooth and precise axis movement.

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11
Q

What spindle interface is used in the JT15?

A

The machine uses a Big Plus CAT50 spindle interface, providing excellent rigidity and tool-holding precision.

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12
Q

What is the spindle speed range of the JT15?

A

The spindle speed ranges from 100 to 6,000 RPM, suitable for both roughing and finishing operations.

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13
Q

What is the maximum horsepower of the JT15 spindle motor?

A

The spindle motor delivers a maximum of 33 HP (21 kW) for 30 minutes, with a continuous rating of 20 HP (15 kW).

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14
Q

What is the torque rating of the JT15 spindle motor?

A

The spindle delivers 347.48 ft-lbs at 30 minutes and 281.73 ft-lbs at continuous rating, enabling machining of tough materials.

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15
Q

What spindle cooling technology does the JT15 use?

A

The spindle uses a chiller unit for thermal stability, minimizing heat migration and maintaining accuracy during extended operations.

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16
Q

What are the table dimensions of the JT15?

A

The table measures 66.93” x 33.86”, offering ample space for large workpieces.

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17
Q

What is the maximum table load capacity of the JT15?

A

The table can handle up to 4,409 lbs, making it suitable for heavy-duty applications.

18
Q

What is the height of the table from the floor?

A

The table is 38.58” high, offering ergonomic access for operators.

19
Q

What is the maximum workpiece size the JT15 can accommodate?

A

The JT15 supports workpieces up to 66.93” in length, 33.86” in width, and 29.53” in height.

20
Q

What is the configuration of the table’s T-slots?

A

The table features 5 T-slots, each 0.866” wide and spaced 5.905” apart, accommodating various work-holding setups.

21
Q

What is the standard tool capacity of the JT15’s ATC?

A

The ATC holds 32 tools, with an optional upgrade to 40 tools.

22
Q

What is the maximum tool diameter with adjacent pockets full?

A

The maximum tool diameter is 4.72” when all pockets are full.

23
Q

What is the maximum tool length and weight the ATC can handle?

A

The ATC accommodates tools up to 13.77” in length and 44 lbs in weight.

24
Q

What is the tool-to-tool change time for the JT15’s ATC?

A

The tool-to-tool change time is 5 seconds, enhancing productivity.

25
Q

What tool selection method does the ATC use?

A

The ATC uses a bi-directional, random access system for efficient tool changes.

26
Q

What control system is equipped on the JT15?

A

The JT15 uses the FANUC 200FB+ control with a 10.4” LCD screen, providing reliable operation and advanced programming features.

27
Q

What is the block processing time and look-ahead capability of the control system?

A

The control features a 1.0 ms block processing time and 400-block look-ahead, ensuring smooth machining of complex geometries.

28
Q

What industries are best suited for the FANUC control system on the JT15?

A

The control is ideal for aerospace, medical, automotive, and die/mold applications.

29
Q

What additional technology enhances tapping speeds in the FANUC control?

A

The Fast Cycle-Time (FCT) technology increases tapping speeds, optimizing cycle times.

30
Q

What connectivity options are included in the FANUC control system?

A

The control includes Ethernet, USB, and RS-232C connections for seamless data transfer.

31
Q

What chip evacuation system is used in the JT15?

A

The JT15 features a dual-auger chip evacuation system and a rear-discharge conveyor for efficient chip removal.

32
Q

What type of conveyor system is included with the JT15?

A

A hinge-type conveyor handles various chip types, including nests, stringy chips, and medium-to-large broken chips.

33
Q

How does the coolant management system improve efficiency?

A

The system includes a spindle coolant ring with adjustable nozzles, an air gun, and a coolant wash-down gun for efficient chip and coolant management.

34
Q

What is the coolant tank capacity of the JT15?

A

The coolant tank holds 171.7 gallons, supporting long machining cycles.

35
Q

What materials are most commonly handled by the JT15’s conveyor system?

A

The conveyor system is ideal for aluminum, brass, and steel chips, with optional solutions for small and fine chips.

36
Q

What are the electrical requirements for the JT15?

A

The machine requires 220 volts, 3-phase, 60 Hz power, and a 171-amp breaker.

37
Q

What is the minimum air pressure required for the JT15?

A

The machine requires an air pressure of at least 80 psi.

38
Q

What is the KVA rating for the JT15’s power requirements?

A

The machine has a 65 KVA rating, subject to change with added options.

39
Q

What are the recommended environmental conditions for optimal accuracy?

A

Maintain an ambient temperature of 68°F ±3° in a temperature-controlled environment with an approved foundation.

40
Q

What is the weight and floor space requirement for the JT15?

A

The machine weighs 39,683 lbs and requires a floor space of 180.71” x 173.23” x 132.68”.

YCM Mill Mastery |EAGLE MACHINE INC. (17 decks)

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