YCM L78-SY1

Question 1

What control system does the YCM L78-SY1 use?

Answer 1

FANUC 32i-B control with a 10.4” LCD screen.

Question 2

What industries is the YCM L78-SY1 suitable for?

Answer 2

Medical, aerospace, automotive, and job shops.

Question 3

What are the X1 and X2 axis travels for the YCM L78-SY1?

Answer 3

X1: 8.95”, X2: 9.075”.

Question 4

What is the Y-axis travel of the YCM L78-SY1?

Answer 4

+1.97”/-1.97”.

Question 5

What are the Z1 and Z2 axis travels?

Answer 5

Both Z1 and Z2: 15.04”.

Question 6

How much B-axis travel does the sub-spindle offer?

Answer 6

20.86”.

Question 7

What type of machine bed does the YCM L78-SY1 feature?

Answer 7

45° one-piece slant bed design.

Question 8

What material is used in the bed construction of the YCM L78-SY1?

Answer 8

High-quality cast iron.

Question 9

What accuracy do the glass scales on X1, X2, and Y-axes provide?

Answer 9

Positioning accuracy of 0.00011” and repeatability of 0.00003”.

Question 10

What is the main spindle nose interface for the YCM L78-SY1?

Answer 10

A2-6.

Question 11

What is the chuck size for Spindle 1 on the YCM L78-SY1?

Answer 11

INDEX 80 collet adaptation.

Question 12

What is the maximum spindle speed for both spindles?

Answer 12

4,000 RPM.

Question 13

What is the continuous power rating for Spindle 1 and Spindle 2?

Answer 13

14.47 HP each.

Question 14

What is the torque rating for Spindle 1 and Spindle 2 at 30 min?

Answer 14

170.3 ft. lbs.

Question 15

What lubrication method is used for the spindles?

Answer 15

Grease lubrication.

Question 16

What is the full C-axis resolution for the spindles?

Answer 16

0.001° with 360,000 radial positions.

Question 17

How is heat managed in the spindle design?

Answer 17

Spindle chiller units are used for thermal stability.

Question 18

What feature allows balanced cutting on the YCM L78-SY1?

Answer 18

Synchronization for balanced cutting between Spindle 1 and Spindle 2.

Question 19

How many tool stations does each turret offer?

Answer 19

16 stations per turret, for a total of 32 tool stations.

Question 20

What tooling standard is used on the turrets?

Answer 20

BMT65 tooling system.

Question 21

What is the live tooling speed range?

Answer 21

60 to 6,000 RPM.

Question 22

What is the maximum power output for live tools?

Answer 22

6 HP (intermittent).

Question 23

What is the tool index time for the turret?

Answer 23

0.5 seconds.

Question 24

Can every tool on both turrets service either spindle?

Answer 24

Yes, every tool can service either spindle.

Question 25

What turret lubrication method is used?

Answer 25

Oil/air mist lubrication.

Question 26

How are additional tools accommodated?

Answer 26

Through toolholders that allow front and backside mounting, as well as Y-axis shifts.

Question 27

What is the purpose of the independent Y-axis on the YCM L78-SY1?

Answer 27

Enables milling, drilling, and tapping off-center features and machining keyways.

Question 28

How does the Y-axis enhance part flexibility?

Answer 28

By allowing off-center machining, flats milling, and keyway cutting in a single setup.

Question 29

What is the rapid traverse rate for the X-axis?

Answer 29

630 IPM.

Question 30

What is the rapid traverse rate for the Z-axis?

Answer 30

1,574 IPM.

Question 31

What is the rapid traverse rate for the Y-axis?

Answer 31

236 IPM.

Question 32

What is the cutting feed rate for all axes?

Answer 32

236 IPM.

Question 33

What is the swing over bed for the YCM L78-SY1?

Answer 33

32.67".

Question 34

What is the standard turning diameter?

Answer 34

8.26".

Question 35

What is the maximum turning diameter?

Answer 35

14.17".

Question 36

What is the maximum turning length?

Answer 36

16.33".

Question 37

What is the purpose of the finished parts gripper and conveyor?

Answer 37

To efficiently collect parts up to 2.99" in diameter, 4.72" in length, and 10 lbs. in weight.

Question 38

What is the purpose of the twin synchronized spindles?

Answer 38

For pinch turning and threading, reducing cycle times by up to 30%.

Question 39

How does the programmable sub-spindle enhance setup?

Answer 39

It allows precise control over thrust and feedrate for better accuracy.

Question 40

What is the resolution of the glass scales on X1, X2, and Y-axes?

Answer 40

1 micron.

Question 41

What type of encoders are used on Z1, Z2, and B axes?

Answer 41

AC digital servo motors with 1 millionth pulse encoders.

Question 42

How is accuracy maintained over long machining cycles?

Answer 42

Through built-in glass scales and thermal management systems.

Question 43

What is the required air pressure for the YCM L78-SY1?

Answer 43

87 PSI (6 bar).

Question 44

What is the voltage requirement for the YCM L78-SY1?

Answer 44

220 volts.

Question 45

What is the coolant tank capacity?

Answer 45

95 US gallons.

Question 46

What type of chip conveyor does the machine use?

Answer 46

Lift-up style chip conveyor.

Question 47

What is the required floor space for the YCM L78-SY1?

Answer 47

165.98” x 92.20” x 84.41”.

Question 48

What is the shipping weight of the machine?

Answer 48

22,707.6 lbs.

Question 49

What is the shipping weight of the coolant tank and chip conveyor?

Answer 49

1,764 lbs.

Question 50

What makes the YCM L78-SY1 ideal for complex components?

Answer 50

Twin synchronized spindles, dual Y-axis capable turrets, live tools, and glass scale accuracy ensure flexibility, precision, and reduced cycle times.