Heavy‑Duty Stator Slot Insulation Paper Inserting Machine for ID 70–140mm / OD ≤200mm — For Industrial Motors, Pumps & Compressors
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Heavy‑Duty Stator Slot Insulation Paper Inserting Machine for ID 70–140mm / OD ≤200mm — For Industrial Motors, Pumps & Compressors
Product Summary
Heavy‑Duty Stator Slot Insulation Paper Inserting Machine for ID 70–140mm / OD ≤200mm — For Industrial Motors, Pumps & Compressors Engineered for large and medium‑sized industrial motors, this heavy‑duty stator slot insulation paper inserting machine handles stator outer diameters up to 200mm, inner ...
Product Custom Attributes
Basic Properties
Place of Origin:
China
Brand Name:
SMT
Certification:
ISOSGS Audit
Model Number:
CW3.0
Trading Properties
Minimum Order Quantity:
1 SET
Price:
Negotiable
Packaging Details:
Plywood Box With sealing
Delivery Time:
8-10 weeks
Payment Terms:
L/C,T/T
Supply Ability:
7-11 weeks
Product Description
Engineered for large and medium‑sized industrial motors, this heavy‑duty stator slot insulation paper inserting machine handles stator outer diameters up to 200mm, inner diameters from 70 to 140mm, and stack heights up to 160mm. It is designed to accommodate demanding applications such as industrial pumps, compressors, deep‑well pump motors, and three‑phase industrial motors. The machine integrates advanced servo drives with precision indexing, delivering consistent insertion accuracy with a cycle time of 0.6 seconds per slot. A user‑friendly touchscreen interface allows operators to set insulation length, folding parameters, and slot indexing effortlessly. Tooling changes take less than 15 minutes, making it an excellent choice for manufacturers producing a variety of industrial motor stators across different specification ranges.
Main Technical Data
| Parameter | Value |
|---|---|
| Model | SMT-CW3.0 |
| Stator OD | 170-260mm |
| Stator ID | 100-200mm |
| Stack Height | 90-220mm |
| Paper Thickness | ≤0.38mm |
| Cuff Height | 3~7.5mm |
| Cycle time | ≈120pc/min |
| Power supply | 6Kw 3 phases 380V/50Hz |
| Weight | 1050kg |
| Dimension | (L)2350×(W)1100×(H)1500mm |
Cause
Large industrial motors — used in pumps, compressors, generators, and heavy machinery — operate under extreme electrical and thermal stress. The slot insulation system must withstand higher voltages, elevated operating temperatures, and prolonged continuous duty cycles. When insulation fails, the consequences are severe: motor breakdowns, production stoppages, costly repairs, and safety hazards. Traditional manual or semi‑automated insertion methods struggle to achieve the precision needed for large stators, particularly when dealing with deep slots, narrow slot openings, or complex multi‑shape slot configurations. Misaligned or incompletely inserted insulation creates partial discharge pathways, accelerating dielectric breakdown and shortening motor service life. Additionally, large stators are heavy and cumbersome to handle manually, increasing operator fatigue and the risk of workplace injuries. These challenges demand a robust, automated solution capable of consistently producing high‑integrity slot insulation at industrial production scales.
Solution
Our industrial‑grade stator slot insulation paper inserting machine delivers the precision, power, and reliability required for large motor production. Built with a servo‑driven paper feeding system and high‑torque indexing mechanism, the machine accurately positions each stator slot and inserts pre‑formed insulation sleeves with sub‑millimeter precision. The advanced forming unit supports multiple insulation shapes — O‑type, C‑type, B‑type, and S‑type — accommodating various slot geometries found in industrial motor designs. The machine automatically adjusts the insertion perimeter, cuts paper to the exact length, folds collars to the specified height, and inserts the sleeve in one seamless motion. Sophisticated status display and fault warning systems provide real‑time feedback on machine performance, while automatic punch disengagement prevents tool damage in the event of a jammed slot. Tooling changeover, including complete mold replacement and parameter recalibration, is completed in under 15 minutes — significantly faster than general‑purpose machines — allowing production lines to switch between different stator models with minimal downtime.
Application
This machine is designed for manufacturers of large and medium‑sized industrial motors, including three‑phase induction motors, deep‑well pump motors, compressor motors, rolling door motors, and automotive motors. It is also suitable for specialty applications such as generators, alternators, and heavy‑duty fan motors where stator dimensions exceed the capacity of standard machines. Any facility producing industrial electric motors with stator OD up to 200mm and requiring high reliability, heavy‑duty construction, and rapid changeover capabilities will find this machine an ideal fit.
How It Works
The industrial‑grade machine follows a refined six‑step insertion sequence.
Step 1 — Material Loading: The insulation paper roll is loaded onto the unwind stand and threaded into the feeding mechanism.
Step 2 — Paper Cutting with Beveled Edge: The paper is cut with a beveled leading edge to facilitate smooth entry into the slot.
Step 3 — Edge Folding: The paper edges are pre‑folded in the folding unit according to the specified cuff height (3–7 mm).
Step 4 — Forming:Feeding rollers precisely advance the paper into the forming cavity, where a linkage‑driven forming mechanism cuts the paper to length and simultaneously shapes it into the required sleeve configuration.
Step 5 — Indexing: A servo‑controlled indexing motor rotates the mold disc step‑by‑step, aligning each formed sleeve with the corresponding stator slot.
Step 6 — Insertion:The inserting pusher drives the formed insulation sleeve into the stator slot.
For stators with multiple slot shapes, the empty‑cycle device automatically skips designated slots, ensuring correct insulation placement across complex geometries.
How to Choose
Stator Dimension Requirements: Confirm that your stator’s outer diameter (≤200 mm), inner diameter (70–140 mm), and stack height (≤160 mm) are within the machine’s capacity. If you manufacture stators at both ends of this range (e.g., very small ID below 70 mm and very large ID near 140 mm), consider purchasing additional mold sets for each size.
Slot Complexity and Shape: For stators with multiple slot shapes within a single core, select the optional empty‑cycle device for automatic skip‑feed insertion. For round slots, a single tool can accommodate different slot shapes, reducing tooling inventory requirements.
Insulation Material Performance: Industrial motors often require higher thermal class insulation (Class F or H). Ensure your selected material — whether DMD, NMN, or Nomex/Mylar/Nomex composites — is compatible with the machine‘s thickness limit of ≤0.35 mm and can withstand the folding and insertion forces without delamination.
Production Throughput and Changeover Requirements: If your production schedule involves frequent batch changes across multiple stator models, the sub‑15‑minute changeover time will be a critical operational advantage. Evaluate your average batch size and annual changeover frequency to quantify potential downtime savings.
FAQ
Q1: What is the maximum stator outer diameter this machine can handle?
A: The maximum stator outer diameter is 200 mm, with inner diameter ranging from 70 mm to 140 mm. For larger stators (OD up to 400 mm), please contact us for information on our extended‑range models.
Q2: Can this machine handle stators with different slot shapes in the same core?
A: Yes. The machine is equipped with an empty‑cycle device that automatically skips designated slots, enabling it to process stators with multiple slot shapes using a single tool set. This feature is particularly useful for complex industrial motor designs.
Q3: How quickly can we switch production from one stator model to another?
A: Tooling changeover — including mold replacement, parameter setup, and trial run — can be completed in less than 15 minutes by a trained operator. The touchscreen interface stores preset parameters for each stator model, allowing rapid recall and reducing setup errors.
Production Line Solutions
SMT offers comprehensive technical consulting and turn-key project services for AC motor, DC motor, and BLDC motor manufacturing. Our services include motor cost evaluation, manufacturing know-how, staff training, and complete project implementation. Our solutions serve various applications including new energy automobile motors, servo motors, generators, three-phase motors, pump motors, compressor motors, household appliance motors, and other induction motors. We specialize in stator and rotor core assembly, slot insulation, automated winding, inserting, fusing, and resin impregnation technologies for diverse stator sizes and slot configurations.
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