Large DC Motor

 There are 4 main types of DC motors:

1. Permanent Magnet DC Motors

The permanent magnet motor uses a permanent magnet to create field flux. This type of DC motor provides great starting torque and has good speed regulation, but torque is limited so they are typically found on low horsepower applications.

2. Series DC Motors

In a series DC motor, the field is wound with a few turns of a large wire carrying the full armature current. Typically, series DC motors create a large amount of starting torque, but cannot regulate speed and can even be damaged by running with no load. These limitations mean that they are not a good option for variable speed drive applications.

3. Shunt DC Motors

In shunt DC motors the field is connected in parallel (shunt) with the armature windings. These motors offer great speed regulation due to the fact that the shunt field can be excited separately from the armature windings, which also offers simplified reversing controls.

4. Compound DC Motors

Compound DC motors, like shunt DC motors, have a separately excited shunt field. Compound DC motors have good starting torque but may experience control problems in variable speed drive applications.

Between the 4 types of DC motors, the potential applications are numerous. Each type of DC motor has its strengths and weaknesses. Understanding these can help you understand which types may be good for your application.

 

Common Selection Pitfalls for Large DC Motors

Many customers encounter early motor failure due to incorrect parameter matching. Please pay attention to these points when selecting:

 

1. Starting torque requirement Do not only reference running torque. For heavy‑load startup equipment, reserve sufficient torque margin, normally 1.5‑2 times of working torque.

2. Duty cycle Confirm continuous‑duty or intermittent working mode. Motors for frequent start‑stop scenarios need higher thermal resistance.

3. Working environment Dusty, humid or outdoor occasions require higher IP protection grade. Standard IP54 may not satisfy harsh site conditions.

4. Speed deviation Gear reducers bring certain speed error. If you need precise speed control, consider adding encoder feedback.

5. Power supply matching Ensure your power supply can sustain peak current at motor startup, not only rated current.

 

If you are confused about parameter matching, send us your working condition data, our engineers will offer free technical suggestion.

 

Brush VS Brushless DC Motor Comparison

1. Service Life: Medium, limited by carbon brush wear / Long lifespan, no carbon‑brush loss

2. Control Complexity: Simple driver, low cost / Require BLDC driver board

3. Noise: Higher mechanical noise / Low noise, smooth operation

4. Efficiency: General efficiency / Higher energy efficiency

5. Maintenance: Need periodic brush replacement / Almost maintenance‑free

6. Cost: Competitive price / Higher unit cost

7. Choose brushed DC motors for cost‑sensitive, non‑continuous‑running projects.

8. Select brushless DC motors if you pursue long service life, low maintenance and high efficiency.

 

Packing & Delivery Details

1. Standard packing: Inner foam protection + export carton box. Wooden crate is available for heavy‑weight motor batches.

2. Shipping options: Express courier for small sample orders; sea freight, air freight or railway transport for mass production.

3. Delivery time: Standard models 5‑15 working days; customized large DC motors 15‑30 working days.

4. Export documents: Commercial invoice, packing list can be provided. Special certificates can be arranged according to your market requirements.

 

 Large DC Motor Parameters:
1. Dimensions: 16~130mm
2. Power: 3~2200W
3. Voltage: 12V 24V 48V 90V 310V
4. Rated speed: 1500~4000rpm
5. Reduction ratio: 3~ 3000K

 

Features:

1. Compact structure and simple assembly;
2. Wide speed ranges and high torque;
3. Low noise, good sealing performance, high efficiency;
4. Stable and safe, long lifetime, universal;
5. Multi-structure, various assembling methods

 

Specification:

Product Name	ANG DC gear motor
Motor type	Brush type / Brushless type   / Stepper type
Frame size	16mm ~ 130mm...   can be customized
Running speed	Motor 1500-4000   rpm, Gear Ratio 1/3 ~ 1/3000
Output power	3W ~2200W... can   be customized
Output shaft	round shaft,   D-cut shaft, key-way shaft, hollow shaft…
Voltage type	12V / 24V / 36V   / 48V / 90V / 110V /220V... can be customized
Accessories	Internal driver   / External driver / Connector / Brake / Encoder…
Gearbox type	Parallel shaft
	Right angle   hollow worm shaft	Right angle   bevel hollow shaft	Flat type hollow   shaft
	Right angle   solid worm shaft	Right angle   bevel solid shaft	Flat type solid   shaft
	Planetary center   shaft

 

FAQ

Q: Can you make the gear motor with customization?
A: Yes, we can customize per your request, like power, voltage, speed, shaft size, wires, connectors, IP grade, etc.

Q: Do you provide samples?
A: Yes. Sample is available for testing.

Q: What is your MOQ?
A: It is 10pcs for the beginning of our business.

Q: What's your lead time?
A: Standard product need 5-30days, a bit longer for customized products.

Q: Do you provide technology support?
A: Yes. Our company have design and development team, we can provide technology support if you
need.

Q: How to ship to us?
A: It is available by air, or by sea, or by train.

Q: How to pay the money?
A: T/T and L/C is preferred, with different currency, including USD, EUR, RMB, etc.

Q: How can I know the product is suitable for me?
A: >1^ST confirm drawing and specification >2^nd test sample >3^rd start mass production.

Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.

Q: How shall we contact you?
A: You can send inquiry directly, and we will respond within 24 hours.

 

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