HOME > Products > 2SI-6/8
(with Transfer system)
（with Measurement Unit①）
（with Measurement Unit②）
Characteristics
The 2SI models uniquely connect two spindles, one turret and a Fanuc controller into a highly productive machine tool package. This 2-Spindle 1NC Lathe was developed from the architecture of "reducing idle time to the utmost limit."
- Zero Down time for loading / unloading
The in and out handling of the workpieces takes place during the machining cycle. - Short Idle Time
Loading with one spindle while machining with the other. Chip to Chip time is "2 ~ 2.5 seconds". Spindle index time is "0.9 seconds" - First and second operations on one machine
By flipping the part, every other index produces a finished part. - Convenient Manual or Trouble-free Automatic Loading
The loading station is outside the machine, separated from the machining area by a sliding door. Our design affords the operator a safe and economic work environment (leads to easy manual loading / unloading and chuck exchange), or can be a customized to workpiece-machining automation. - Milling Function.(M model ----- 2SI-6M / 2SI-8M / 2SI-10M)
Available with optional C axis with live tooling
The 2SI is optimal for the following types of work:
- Tasks that need a short cycle time and a long loading time
- Tasks with a big difference between the 1st and 2nd process cycle times
- Tasks that requires a large amount of time for chucking under manual loading situations
The 2SI resolves two types of waste.
- Time of waste for Loading / Unloading
For example, even if the actual turning time is 12 seconds, if the non-turning time for such things as loading/unloading is 9 seconds, the cycle time will be 21 seconds. In this example, 9 seconds amounts to 42% of the cycle time, with the spindle not doing anything. The SHIMADA 2SI-6/8 reduces the non-turning time to two seconds by conducting loading/unloading on one spindle while the other one is machining. - Time of waste from tact difference between 1st and 2nd process
- First Process
- Actual Machining time 7 seconds + Idle time 2 seconds = 9 seconds
- Second Process
- Actual Machining time 16 seconds + Idle time 2 seconds = 18 seconds
Total of Processes 1st + 2nd 27 seconds
2-Spindle NC Lathe 2SI-6 Type
Total of Processes 1+2 Cycle Time 27.0 seconds
| SHIMADA 2SI-6 | Different Company Standard Single Spindle Lathe | |
|---|---|---|
| First Process | 9.0 sec. | 16.0 sec. (Machining 7 sec. Loader 9 sec.) |
| Second Process | 18.0 sec. | 25.0 sec. (Machining 16 sec. Loader 9 sec.) |
| First Process + Second Process | 27.0 sec. | 41.0 sec. (Machining 23 sec. Loader 18 sec.) |
Productivity 52% up
The machining time for the first process is short. In a nutshell, when machining by using a single spindle lathe, tasks need a short cycle time and a long loading time. The characteristics of the SHIMADA 2SI match up well with these conditions.
As a result, machine productivity is increased by 78% through the introduction of the SHIMADA 2SI.
The machining time of the second process is longer than the first; however, machine productivity is increased by 39%.
The total increase in machine productivity for the first and second processes is 52%. How about when using a 2-Spindle 2NC Lathe instead of a single spindle lathe?
Since there is a large difference between the first and second processes, the spindle on the first process side finishes processing first, stops rotating the spindle, and sits idle until the second process finishes.
We hope that the above information demonstrates to you that the SHIMADA 2SI Series reduces waste to the greatest extent possible, and that these are machines with which you can unquestionably generate profit.
Specifications
| 2SI-6 | 2SI-8 | ||
|---|---|---|---|
| Range | Max.turning diameter | 180mm(7.0") | 210mm(8.2") |
| Max.turning length | 120(4.7") | ||
| Spindle | No. of spindle | 2 | |
| Chuck size | 6" | 8" | |
| Spindle motor | 7.5/5.5KW(10/7.5HP) | ||
| Spindle R.P.M | 50-5000 | 35-3500 | |
| Tool Turret | No. of tool stations | 8 or 12 or Chaser type | |
| Max. No. of power tool | 6 tools | ||
| Tool spindle R.P.M | 200-5000 | ||
| N.C. Slide | X-axis travel | 120mm(4.7") | |
| Z-axis travel | 170mm(6.7") | ||
| Rapid feed rate | 15m/min(600"/min) | ||
| Weight and Dimentions | Floor to spindle center | 960mm(37.8") | |
| Floor space | 1900(74.8")×1600(63") | ||
| Weight | 3600kg(8000lb) | 3800kg(8400lb) | |
