Description
xSJ-DL7.5/150-01T is a Mitsubishi Electric SJ-DL series low-inertia CNC spindle motor, designed for high-speed drilling and tapping machines where very fast acceleration/deceleration and high RPM operation are more important than heavy cutting torque.
It belongs to the SJ-DL (Low-Inertia High-Speed spindle motor family) used mainly in tapping/drilling CNC centers.
🔧 Key specifications (SJ-DL7.5/150-01T)
From Mitsubishi official spindle motor data:
| Parameter | Value |
|---|---|
| Series | SJ-DL (Low inertia spindle) |
| Continuous rated output | 5.5 kW |
| Short-time rated output | 7.5 kW (30 min rating) |
| Standard accel/decel output | 11 kW |
| Actual accel/decel output | 13.2 kW |
| Base speed | 1500 rpm |
| Maximum speed | 15,000 rpm |
| Continuous rated torque | 35.0 N·m |
| Motor inertia | 0.016 kg·m² |
| Frame size | B112 |
| Shaft diameter | Ø48 mm |
| Cooling | Machine-integrated (no fan) |
⚙️ What this motor is used for
This model is designed for:
- CNC tapping machines
- high-speed drilling centers
- light-to-medium machining spindles
- production machines with short cycle times
It is optimized for:
- ⚡ very fast spindle acceleration/deceleration
- 🔁 frequent start/stop cycles
- 🎯 high-speed precision tapping/drilling
🧠 What “150-01T” means
- /150 → medium-high speed spindle class (≈ 15,000 rpm max range)
- 01 → standard design revision
- T → through-spindle / hollow-shaft configuration (coolant/tool-through support)
⚖️ Position in SJ-DL family
| Model | Focus |
|---|---|
| SJ-DL5.5/150 | Balanced high-speed tapping (lighter frame) |
| SJ-DL7.5/150 | Higher torque version for heavier tapping/drilling loads |
| SJ-DL5.5/200 | Higher speed (20,000 rpm class) |
🧠 Simple explanation
SJ-DL7.5/150-01T is a high-speed CNC spindle motor designed for drilling and tapping machines, offering stronger torque than smaller DL models while still reaching about 15,000 rpm with fast response.
Additional Information
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Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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