Description
x📌 What the MHE90K Encoder Is
The MHE90K is a high-resolution spindle-side C-axis position detector (encoder) used in CNC systems for precise contouring control with orientation, typically with Mitsubishi CNC and spindle drives. It’s designed for accurate detection of spindle angular position and speed, enabling advanced functions like C-axis machining and synchronization.
🧱 Key Features
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High-resolution output:
The detector outputs multiple signals, including very fine pulse counts:-
A/B phases: 1024 pulses/rev
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C/D phases: 90,000 pulses/rev
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E/F phase (SIN wave): 180 waves/rev
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Z, X, Y phases: 1 pulse/rev each — useful for referencing and indexing.
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Built-in SIN output:
Provides SIN wave signal output equivalent to PLG signal format, making it usable with built-in motors and advanced spindle feedback interfaces. -
Ring-type sensor design:
The ring-type construction eliminates the need for manual gap adjustment between the sensor and the scale — simplifying installation and setup. -
Mechanical specs:
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Inner diameter options vary by model (e.g., Ø70 mm, Ø80 mm, Ø95 mm, Ø110 mm, Ø140 mm).
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Maximum rotational speeds range from about 3000 r/min to 6000 r/min, depending on the specific variant.
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Operating range: 0 °C to 70 °C (with A/D converter and pre-amp section rated up to 55 °C).
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Robust against vibration/impact typical in machine tool environments.
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🔧 Typical Use & Application
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C-Axis Control & Orientation:
The MHE90K enables precise C-axis feedback for contouring around the spindle axis and accurate orientation for machining (e.g., drilling, milling features at specific angular positions). -
Integration with CNC Drive Systems:
It’s used as an optional C-axis detector in Mitsubishi CNC/spindle drive systems (e.g., MDS-C1 series), providing high-resolution encoder signals that the controller uses for motion control and synchronized operations.
🧠 Signal Summary
| Signal | Output Resolution |
|---|---|
| A/B phase | 1024 pulses/rev |
| C/D phase | 90,000 pulses/rev |
| E/F phase (SIN) | 180 waves/rev |
| Z/X/Y phases | 1 pulse/rev each |
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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