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Safe materials introduction

"Refund for overpricing by 5%" is one of the four guarantees of CHANG AN. Reasonable pricing is our commitment to customers; investments are not just transactions. We provide: materials, components, semi-products, machining precision, checklists, and samples for examination if the pricing is reasonable. "The Earth is unique and the production of useless products should be ended." The quality of CHANG AN synchronous motors are definitely world's best.

A. Coils Voltage Stabilizer Supplier
  • The enamel wire is the most critical part of the motor and is involved with safety.
  • CHANG AN uses 用 German ELEKTRISOLA enamel wire. 
  • Products pass voltage tolerance tests of 2500V/sec by CE standards; common motors only pass voltage tolerance tests of 1500V/sec and not necessarily meet safety requirements.
  • Every delivered motor comes with a checklist: insulation "pass," voltage tolerance "2500V/sec." The cost of German ELEKTRISOLA enamel wire is twice that of common enamel wires.
  •  Acceptance trails: safety guarantee by using 220V voltage for 110V spec for 60 minutes or stop during power on and reward if damageable.
  •  Safety testing: provide substitution high voltage tolerance safety testing for companies without voltage tolerance equipment. CHANG AN synchronous motors are used under 220V voltage for 110V spec for 60 minutes without needing to switch voltage.
B. Gear and gear box
  • Uses steel gears; precision machining for knurling inside of inner and outer holes of step pulleys; gear damage test tolerance 150kg with no cracks or skidding.
  • All gears are steel gears (not plastic or sintering products).
  • Precision machining for knurling inside of inner and outer holes (non-close-fit machines press).
  • Gear damage test tolerance 150kg with no cracks or skidding, robust and durable.
  • The cost of steel gears is five to seven times that of powder metallurgy.
  • The cost of steel gears is more than thirty times that of plastic gears.
  • Advantage: warranty covers everything except wear under normal industrial environment.
C. Magnet
  • Source of magnets: High-precision magnets from Japan.
  • Function: motors switch forward/backward rotation sharply and magnetic brakes by induced electricity.
  • Magnets undergo anti-aging and high-temperature resistance treatment to keep the magnet materials stable for ten years and magnetic force semi-permanent.
  • The shaft of common magnets in motors may skid or idle if heated .
  • The cost of magnets from Japan is more than five to ten times that of common magnets.

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D. Motor machining assembly

Manufacture equipment: world class equipment; from machining components, jig tests, to molding machine production, CHANG AN uses automated entities with tolerance of 0.01mm and product defect rate is below 0.5‰. "Quality worldwide harmless enterprising" CHANG AN invests in automated inspection equipment to achieve precise control of product quality.

Functions:

  1. CHANG AN synchronous motors may be programmed to automatic forward/backward rotation, commutation rotation, one way rotation, and also step rotation; does not rotate backwards due to resistance.
  2. Motor characteristics: accurate speed, high torque, safe, robust, durable, low power consumption, induced electricity, no noise.
  3. High accuracy in reaching starting speed; no skidding at magnetic brake stop; does not rotate backwards due to resistance.
  4. Rated frequency determines speed and thus speed is not affected by voltage; forward/backward rotation as sharp as servomotors.
  5. Low current consumption and magnetic induction electricity generation; does not require transformer or rectifier by principle.

Safety:

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  1. World's best German ELEKTRISOLA enamel wire ; the enamel wire is the most critical part of the motor and is involved with safety.
  2. Coil products pass voltage tolerance tests of 2750V/sec by CE standards. Motor products pass voltage tolerance tests of 2500V/sec by CE standards.
  3. Motor is not damaged and does not affect circuit safety if stuck and stopped during power on.
  4. Acceptance trails safety guarantee by using 220V voltage for 110V spec for 60 minutes or stop during power on and reward if damageable.

Robust:

  • Gear: carbon steel, weight iron, and high tension resistance copper among the materials are imported from Japan.
  • All uses steel gear; step pulleys knurling inside of inner and outer holes assembly; robust and durable .
  • Machining: step pulleys knurling inside assembly with non-close-fit machines press; automated entities with tolerance of 0.01mm and product defect rate is below 0.5‰.
  • High-precision magnets imported from Japan with advantages of anti-aging and high-temperature resistance treatment to keep the magnet materials stable for ten years, coaxial, noiseless, and magnetic force semi-permanent.
  • Motor used at 3RPM under 220V voltage for 110V spec, the gears pass damage test tolerance 150kg with no cracks or skidding.
  • Gears precision machining.

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Transmission motor gear uses carbon steel and precision machining for knurling inside of inner and outer holes; the precision-machined gears do not generate noise during operation, operate under high temperature, operate long term with load, startup instantly, and are operable under severe environment.

Lifespan:

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  • "Oil is an important know-how" how to use years of experiments of operation to achieve wearable, pressure resistant, and high-temperature resistant.
  • BBI dark thick liquid oil; wearable, pressure resistant, high-temperature resistant. When dried, becomes graphite powder lubricant and does not require oil moisture.
  • Long lifespan due to no carbon brushes. Operates non-stop like regulators to switch the distributor and may have a lifespan of above ten years.
  • CHANG AN synchronous motors have been granted TW patent number 193111, CN patent certificate number 433019, and JP patent number 1427325.
  • Certifications: RoHS, CE, UL, FCC

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cTaiwan Chang An electric co., ltd All rights reserved.   1F., No.331-3, Fuyuan St., Songshan Dist., Taipei City 10594, Taiwan (R.O.C.)
  E-mail: service@changan-motor.com

 

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