BM4 series Hydraulic motor
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BM4 Series Hydraulic Motor Core Specifications (Model List)
|
Model
|
Displacement (cm³/rev)
|
Max Continuous Pressure (MPa)
|
Max Intermittent Pressure (MPa)
|
Max Continuous Torque (N·m)
|
Speed Range (rpm)
|
Max Output Power (kW)
|
|
BM4 50
|
50.2
|
16.0
|
19.0
|
120
|
10 – 950
|
12
|
|
BM4 80
|
80.4
|
16.0
|
19.0
|
193
|
10 – 780
|
15
|
|
BM4 100
|
100.6
|
16.0
|
19.0
|
241
|
10 – 650
|
16
|
|
BM4 125
|
125.8
|
15.0
|
18.5
|
298
|
10 – 520
|
17
|
|
BM4 160
|
160.3
|
15.0
|
18.5
|
385
|
10 – 410
|
17
|
|
BM4 200
|
200.5
|
14.0
|
18.0
|
457
|
10 – 330
|
15
|
|
BM4 250
|
250.7
|
12.5
|
17.0
|
562
|
10 – 265
|
12
|
|
BM4 315
|
315.2
|
12.0
|
16.0
|
698
|
10 – 210
|
11
|
|
BM4 450
|
450.8
|
10.0
|
14.5
|
895
|
10 – 150
|
10
|
Key Features of BM4 Series Hydraulic Motors
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Internal curve gear meshing design, adopting geroler set to ensure high volumetric efficiency (80%-90%) and mechanical efficiency, reducing energy loss during operation.
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High-strength tapered roller bearings on the output shaft, which can bear large static and dynamic radial loads, improving the stability and service life of the motor.
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Optimized shaft seal structure, strong sealing performance, can withstand high back pressure, suitable for harsh working environments such as dust and humidity.
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Low-pressure start performance is excellent, with large starting torque, which can realize stable start and operation under low oil pressure conditions.
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Compact overall structure, small volume, light weight, easy to install and maintain, and can be flexibly matched with various mounting flanges and shaft types.
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Cost-effective, reliable performance, interchangeable with mainstream models of the same type, widely used in medium-load working scenarios.
Performance Characteristics
Application Areas
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Agricultural machinery: Combine harvesters, mowers, seeders, rotary tillers, feed mixers and fruit picking equipment.
-
Construction machinery: Small rollers, cement mixers, road sweepers, construction cleaning equipment and small lifting machinery.
-
Industrial equipment: Conveyors, winding machines, injection molding machines, vulcanizing machines and small processing equipment.
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Other fields: Forestry equipment, fishing boat winches, small marine equipment and environmental sanitation equipment.
Model Coding Explanation
-
Type: BM4 (orbital geroler hydraulic motor)
-
Displacement: 100 (corresponding to 100.6 cm³/rev)
-
Flange type: F3 (standard round flange with 4 mounting holes)
-
Shaft type: C (ø 30 cylindrical shaft with parallel key)
-
Seal type: E (reinforced oil seal, suitable for high back pressure working conditions)
Process steps：
Customer inquiry: Customers will make inquiries before placing an order to understand product details and communication needs.
Quotation: According to customer needs, provide a formal quotation, including the name, model, quantity, delivery time, payment method, etc. of the goods.
Order confirmation: After the customer confirms the quotation, a formal purchase order will be placed.
Confirm the delivery time: communicate the delivery time with the production department, inform the factory of the order details, and arrange the production plan.
Sign an export contract: After the two parties confirm that it is correct, sign an export contract to establish a trade relationship.
Implement the letter of credit (if applicable): If the payment method of the letter of credit is used, the customer needs to be urged to issue the certificate and review the contents of the letter of credit.
Export stocking: According to the requirements of the contract and the letter of credit, arrange production, purchase raw materials and packaging, and prepare the goods.
Chartering and booking: Contact the freight forwarder to make a booking and arrange the transportation of goods.
Export inspection: Apply to the quality inspection department for export commodity inspection and provide relevant documents.
Apply for a write-off slip: apply for a write-off slip from the foreign exchange management department for subsequent foreign exchange write-off.
Export declaration: Declare exports to the customs and provide documents such as power of attorney for customs declaration, customs declaration form for export goods, commercial invoice, packing list, etc.
