China Best Sales Nhf100 Hydraulic Safety Coupling with Flange

Product Description

NHF Hydraulic Safety Coupling With Flange

Description of   NHF Hydraulic Safety Coupling With Flange
1.Simple and convenient assembly and disassembly;
2.No keyway and thrust ring are required on the shaft;
3.The stress on the entire contact surface is relatively uniform, and the stress concentration is not obvious;
4.When the vibration load of the shaft system changes, the shaft will not be worn;
5.The position of the coupling on the shaft is easy to ensure, and the connection accuracy is high;
6.Can be used repeatedly, with high interchangeability.

Dimensions of  NHF Hydraulic Safety Coupling With Flange

 

d

D

L

L1

Df

Dc

R

t

n

ds

Mt

Mass

mm

mm

mm

mm

mm

mm

mm

mm

 

mm

kNm

kg

NHF100

100

170

215

40

265

230

9

21

8

19

26

26

NHF110

110

186

235

45

295

255

10

23

8

21

35

34

NHF120

120

202

250

50

315

275

11

25

8

23

46

42

NHF130

130

218

270

55

340

295

11

27

8

25

58

52

NHF140

140

234

290

60

355

310

12

29

10

24

72

64

NHF150

150

250

300

60

380

335

13

31

10

26

89

75

NHF160

160

266

320

65

405

355

14

33

10

28

108

91

NHF170

170

282

340

70

430

375

15

35

10

30

130

108

NHF180

180

298

355

75

440

390

15

37

12

29

154

124

NHF190

190

314

375

80

465

410

16

39

12

30

181

145

NHF200

200

330

390

80

490

435

17

41

12

32

211

167

NHF210

210

346

410

85

515

455

18

43

12

33

244

193

NHF220

220

362

425

90

535

475

19

45

12

35

281

219

NHF230

230

378

445

95

560

495

19

47

12

37

321

249

NHF240

240

394

465

100

580

515

20

49

12

38

365

282

NHF250

250

410

475

100

605

535

21

51

12

40

412

313

NHF260

260

426

495

105

630

560

22

53

12

42

464

352

NHF270

270

442

515

110

655

580

23

55

12

43

519

394

NHF280

280

458

530

115

675

600

23

57

12

45

579

434

NHF290

290

474

550

120

700

620

24

59

12

46

644

483

NHF300

300

490

565

120

720

640

25

61

12

48

713

528

NHF310

310

506

580

125

750

665

26

63

12

50

786

582

NHF320

320

522

600

130

770

685

27

65

12

51

865

638

NHF330

330

538

620

135

795

705

27

67

12

53

948

700

NHF340

340

554

635

140

815

725

28

69

12

54

1037

759

NHF350

350

570

650

140

840

745

29

71

12

56

1131

823

NHF360

360

586

670

145

835

750

30

73

16

50

1231

878

 

d

D

L

L1

Df

Dc

R

t

n

ds

Mt

Mass

mm

mm

mm

mm

mm

mm

mm

mm

 

mm

kNm

kg

NHF370

370

602

690

150

855

770

31

75

16

51

1337

951

NHF380

380

618

705

155

880

790

31

77

16

53

1448

1026

NHF390

390

634

725

160

900

810

32

79

16

54

1565

1108

NHF400

400

650

740

160

930

835

33

81

16

56

1689

1194

NHF410

410

666

755

165

950

855

34

83

16

57

1819

1277

NHF420

420

682

775

170

975

875

35

85

16

58

1955

1376

NHF430

430

698

795

175

995

895

35

87

16

60

2098

1474

NHF440

440

714

810

180

1571

915

36

89

16

61

2248

1574

NHF450

450

730

825

180

1040

935

37

91

16

63

2405

1674

NHF460

460

746

845

185

1060

955

38

93

16

64

2569

1787

NHF470

470

762

860

190

1085

975

39

95

16

65

2740

1900

NHF480

480

778

880

195

1105

995

39

97

16

67

2918

2571

NHF490

490

794

900

200

1130

1015

40

99

16

68

3105

2156

NHF500

500

810

910

200

1150

1035

41

101

16

70

3299

2267

NHF510

510

826

930

205

1175

1055

42

103

16

71

3501

2411

NHF520

520

842

950

210

1195

1075

43

105

16

72

3711

2554

NHF530

530

858

965

215

1220

1095

43

107

16

74

3929

2698

NHF540

540

874

985

220

1240

1115

44

109

16

75

4155

2852

NHF550

550

890

1000

220

1270

1140

45

111

16

77

4391

3014

NHF560

560

906

1571

225

1290

1160

46

113

16

78

4634

3180

NHF570

570

922

1035

230

1310

1180

47

115

16

79

4887

3338

NHF580

580

938

1055

235

1335

1200

47

117

16

81

5149

3524

NHF590

590

954

1075

240

1355

1220

48

119

16

82

5420

3708

NHF600

600

970

1085

240

1380

1240

49

121

16

84

5700

3877

NHF610

610

986

1105

245

1400

1260

50

123

16

85

5990

4072

NHF620

620

1002

1125

250

1425

1280

51

125

16

86

6289

4284

NHF630

630

1018

1140

255

1445

1300

51

127

16

88

6599

4477

NHF640

640

1034

1160

260

1465

1320

52

129

16

89

6918

4692

NHF650

650

1050

1175

260

1495

1345

53

131

16

91

7247

4917

NHF660

660

1066

1190

265

1515

1365

54

133

16

92

7587

5128

NHF670

670

1082

1210

270

1540

1385

55

135

16

93

7937

5375

NHF680

680

1098

1230

275

1560

1405

55

137

16

95

8298

5618

NHF690

690

1114

1245

280

1585

1425

56

139

16

96

8669

5860

NHF700

700

1130

1260

280

1605

1445

57

141

16

98

9052

6097

 

 

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hydraulic coupling

What are the maintenance requirements for hydraulic couplings to ensure optimal performance?

Maintaining hydraulic couplings is crucial to ensure their optimal performance and extend their service life. Regular maintenance helps identify potential issues early on and prevents costly breakdowns. Here are the essential maintenance requirements for hydraulic couplings:

  • Inspection: Regularly inspect the hydraulic coupling for signs of wear, damage, or leaks. Check for any unusual noises, vibrations, or changes in performance during operation.
  • Lubrication: Ensure proper lubrication of the coupling’s moving parts. Use the manufacturer-recommended lubricants and follow the specified intervals for re-lubrication.
  • Coupling Alignment: Check and correct the alignment of the driving and driven shafts connected by the coupling. Misalignment can lead to premature wear and reduce coupling efficiency.
  • Bolt Tightening: Regularly check and tighten the bolts and fasteners securing the coupling. Loose bolts can lead to coupling slippage and compromised power transmission.
  • Cleanliness: Keep the hydraulic coupling and its surrounding area clean from dirt, debris, and contaminants. Clean the coupling during scheduled maintenance to prevent contamination-related issues.
  • Temperature and Pressure Checks: Monitor the operating temperature and pressure to ensure they remain within the specified limits for the coupling. Operating beyond the recommended ranges can cause damage and reduce coupling performance.
  • Overload Prevention: Avoid exceeding the rated torque capacity of the coupling to prevent overload and potential damage to the coupling or connected equipment.
  • Replacement of Worn Parts: Replace any worn or damaged components of the hydraulic coupling promptly. Follow the manufacturer’s guidelines for part replacement and use genuine spare parts when needed.
  • Periodic Maintenance: Establish a regular maintenance schedule for the hydraulic coupling based on the operating conditions and manufacturer recommendations. Adhering to this schedule helps identify and address issues before they become severe.
  • Expert Inspection: If you encounter any unusual performance issues or suspect coupling problems, consult a hydraulic system expert for a detailed inspection and analysis. They can provide valuable insights and recommendations for maintenance and repairs.

Proper and consistent maintenance of hydraulic couplings is essential to ensure their reliability, efficiency, and safe operation. By following the recommended maintenance practices, you can prolong the life of the hydraulic coupling and optimize the performance of your hydraulic system.

hydraulic coupling

Where can I find reputable suppliers or manufacturers of hydraulic couplings for my specific hydraulic system requirements?

Finding reputable suppliers or manufacturers of hydraulic couplings is essential to ensure the quality, performance, and compatibility of the couplings with your specific hydraulic system requirements. Here are some methods and sources to help you locate reliable hydraulic coupling suppliers:

  1. Online Directories and Marketplaces: Utilize online industrial directories and marketplaces that list hydraulic coupling manufacturers and suppliers. Websites like ThomasNet, Alibaba, and IndustryNet can provide comprehensive listings with company profiles and product offerings.
  2. Trade Shows and Exhibitions: Attend trade shows and exhibitions focused on fluid power and hydraulic components. These events offer an opportunity to meet suppliers in person, see product demonstrations, and discuss your specific requirements directly with the manufacturers.
  3. Industry Associations: Many industry associations, such as the International Fluid Power Society (IFPS) or the National Fluid Power Association (NFPA), maintain directories of member companies that offer hydraulic couplings and related products. These associations often have strict membership criteria, which can serve as a marker of reputable companies.
  4. Online Search Engines: Conduct a targeted search using online search engines. Use specific keywords related to your hydraulic system requirements, such as “high-pressure hydraulic couplings” or “quick-connect hydraulic couplings,” along with your location to find local suppliers.
  5. Manufacturer Websites: Visit the websites of well-known hydraulic coupling manufacturers. Reputable manufacturers often provide detailed product information, specifications, and contact details, making it easier to assess their suitability for your requirements.
  6. Customer Reviews and Testimonials: Look for customer reviews and testimonials to gauge the reputation and customer satisfaction of potential hydraulic coupling suppliers. Positive feedback from other customers can be an indicator of reliable and reputable manufacturers.

When evaluating hydraulic coupling suppliers, consider the following factors to ensure they meet your specific requirements:

  • Product Range: Check if the supplier offers a diverse range of hydraulic couplings, including the types, sizes, and configurations that match your needs.
  • Quality Assurance: Inquire about the supplier’s quality control processes and certifications to ensure their hydraulic couplings meet industry standards and regulatory requirements.
  • Customization Options: If your hydraulic system requires specialized couplings, confirm if the supplier can provide customization options to meet your unique specifications.
  • Technical Support: Assess the supplier’s technical expertise and support capabilities to assist with product selection, installation, and troubleshooting.
  • Pricing and Delivery: Obtain competitive pricing and inquire about delivery lead times to ensure the supplier can meet your budget and project timelines.
  • After-Sales Service: Inquire about the supplier’s after-sales service, warranty policies, and availability of spare parts to ensure long-term support for your hydraulic couplings.

By conducting thorough research and due diligence, you can find reputable suppliers or manufacturers of hydraulic couplings that align with your specific hydraulic system requirements. Working with reliable suppliers will help you obtain high-quality couplings that contribute to the efficient and reliable operation of your hydraulic system.

hydraulic coupling

Can you explain the working principle of a hydraulic coupling and its advantages over other coupling types?

A hydraulic coupling operates based on the principle of hydraulic fluid transmission to transfer power from one shaft to another. It consists of two main parts: the input (driving) element and the output (driven) element, both of which have specially designed vanes or blades submerged in hydraulic fluid.

When the input element rotates, it creates a flow of hydraulic fluid around the vanes. The fluid flow generates pressure on the output element, causing it to start rotating. This pressure difference between the input and output elements facilitates the transfer of torque and power from the driving shaft to the driven shaft.

The working principle of a hydraulic coupling allows it to accommodate misalignments and torsional vibrations. It effectively isolates shock loads, provides overload protection, and dampens vibrations, making it ideal for various industrial applications.

Advantages of hydraulic couplings over other coupling types include:

  1. Misalignment Tolerance: Hydraulic couplings can handle significant shaft misalignments, reducing wear and tear on the system and prolonging the life of the components. Other coupling types may have limitations in this regard.
  2. Vibration Damping: Hydraulic couplings can effectively dampen vibrations, preventing damage to connected equipment and promoting smoother operation. This advantage is especially critical in precision machinery and applications where vibrations can affect accuracy and performance.
  3. Overload Protection: Hydraulic couplings offer built-in overload protection. When the torque exceeds a certain threshold, the fluid coupling slips or disengages, preventing damage to the system and its components. Other coupling types may not have this automatic overload protection.
  4. Smooth Start-up: Hydraulic couplings provide gradual power transmission during start-up, which helps minimize shock and stress on the system. This feature is beneficial for systems with heavy loads or delicate components.
  5. Quiet Operation: Due to their vibration-damping properties, hydraulic couplings contribute to quieter operation, reducing noise levels in the machinery compared to some other coupling types.
  6. Wide Range of Applications: Hydraulic couplings are suitable for a wide range of industrial applications, including heavy machinery, mining equipment, conveyors, pumps, and more. Their adaptability and robust performance make them a popular choice in various industries.

While hydraulic couplings offer many advantages, the selection of the appropriate coupling type ultimately depends on the specific requirements of the application, such as torque, speed, misalignment, and environmental conditions. Properly choosing and maintaining the coupling can significantly improve the efficiency, reliability, and overall performance of fluid power transmission systems in industrial settings.

China Best Sales Nhf100 Hydraulic Safety Coupling with Flange  China Best Sales Nhf100 Hydraulic Safety Coupling with Flange
editor by CX 2024-02-20