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Tiêu chuẩn Việt Nam TCVN 2028:1977 về Lò xo xoắn trụ nén loại III cấp 1 bằng thép mặt cắt tròn - Thông số cơ bản

Số hiệu:	TCVN2028:1977	Loại văn bản:	Tiêu chuẩn Việt Nam
Nơi ban hành:	***	Người ký:	***
Ngày ban hành:	Năm 1977	Ngày hiệu lực:
ICS:	21.160	Tình trạng:	Đã biết

TIÊU CHUẨN NHÀ NƯỚC

TCVN 2028 – 77

LÒ XO XOẮN TRỤ NÉN LOẠI III, CẤP 1 BẰNG THÉP MẶT CẮT TRÒN - THÔNG SỐ CƠ BẢN

Cylindrical helical compression springs of III class and of 1 category made of round steel - Main parameters of coils

1. Tiêu chuẩn này áp dụng cho lò xo nén loại III, cấp 1 có lực khi biến dạng lớn nhất (P₃) từ 12,5 đến 1000 N.

2. Thông số cơ bản của lò xo phải phù hợp với chỉ dẫn trong bảng.

3. Vật liệu: dây thép loại I* có đường kính từ 0,3 đến 2,8 mm.

4. Phân loại lò xo – theo TCVN 2018 – 77.

5. Phương pháp xác định các kích thước của lò xo – theo TCVN 2019 – 77.

...

Bạn phải đăng nhập hoặc đăng ký Thành Viên TVPL Pro để sử dụng được đầy đủ các tiện ích gia tăng liên quan đến nội dung TCVN.

Mọi chi tiết xin liên hệ: ĐT: (028) 3930 3279 DĐ: 0906 22 99 66

Lực lò xo khi biến dạng lớn nhất P₃, N

Đường kính dây d, mm

Đường kính dây bện d_b, mm

Đường kính ngoài của lò xo D, mm

Độ cứng của một vòng Z₁, N/mm

Biến dạng lớn nhất của một vòng f₃, mm

...

12,5

0,30

0,36

...

0,66

0,79

0,88

4,8

8,0

11,0

4,22

1,68

0,93

...

7,440

13,440

13,2

0,30

0,36

0,40

...

0,79

0,88

4,5

7,5

10,5

5,27

2,08

1,08

2,505

...

12,220

14,0

0,30

0,36

0,40

0,66

...

0,88

4,2

7,0

10,0

6,69

2,62

1,27

2,093

5,344

...

15,0

0,30

0,36

0,40

0,45

...

0,79

0,88

0,99

4,0

6,5

9,5

13,0

7,94

3,36

...

0,90

1,889

4,464

10,000

16,670

...

0,30

0,36

0,40

0,45

0,66

0,79

0,88

0,99

3,8

...

9,0

12,0

9,53

3,73

1,79

1,16

1,679

4,290

8,939

...

17,0

0,30

0,36

0,40

0,45

...

0,79

0,88

0,99

3,6

6,0

8,5

11,5

11,56

4,40

...

1,33

1,470

3,864

7,870

12,780

...

0,30

0,36

0,40

0,45

0,66

0,79

0,88

0,99

3,4

...

8,0

11,0

14,23

5,93

2,65

1,54

1,265

3,035

6,792

...

19,0

0,36

0,40

0,45

0,79

0,88

...

5,2

7,5

10,5

7,20

3,29

1,79

2,639

5,775

10,610

...

20,0

0,36

0,40

0,45

0,50

0,79

...

0,99

1,10

5,0

7,0

10,0

14,0

8,25

4,15

2,10

...

2,424

4,819

9,524

18,180

21,2

...

0,40

0,45

0,50

0,79

0,88

0,99

1,10

4,8

6,5

...

13,0

9,52

5,34

2,49

1,40

2,227

3,970

8,514

15,140

...

22,4

0,36

0,40

0,45

0,50

0,79

...

0,99

1,10

4,5

6,3

9,0

12,0

11,97

5,94

2,98

...

1,871

3,771

7,517

12,380

...

0,36

0,40

0,45

0,50

0,56

0,79

0,88

0,99

1,10

...

4,2

6,0

8,5

11,5

16,0

15,34

7,03

3,61

2,08

...

1,538

3,357

6,537

11,350

20,520

...

25,0

0,36

0,40

0,45

0,50

0,56

0,79

0,88

0,99

...

1,23

4,0

5,5

8,0

11,0

15,0

18,33

9,51

4,43

...

1,42

1,364

2,629

5,643

10,370

17,610

...

26,5

0,40

0,45

0,50

0,56

0,88

0,99

1,10

1,23

...

7,5

10,5

14,0

11,58

5,51

2,81

1,78

2,888

4,809

...

14,890

28,0

0,40

0,45

...

0,56

0,60

0,88

0,99

1,10

1,23

1,32

5,0

7,0

...

13,0

17,0

13,32

6,98

3,31

2,26

1,28

2,102

4,011

...

12,390

21,880

30,0

0,40

...

0,50

0,56

0,60

0,88

0,99

1,10

1,23

1,32

4,8

...

9,5

12,0

16,0

15,41

9,02

3,93

2,94

1,55

1,947

...

7,634

10,200

19,360

31,5

...

0,45

0,50

0,56

0,60

0,88

0,99

1,10

1,23

1,32

...

6,3

9,0

11,5

15,0

19,49

10,05

4,72

3,39

1,91

...

3,134

6,674

9,292

16,490

33,5

...

0,50

0,56

0,60

0,99

1,10

1,23

1,32

6,0

8,5

...

14,0

11,93

5,72

3,93

2,39

2,808

5,857

8,524

14,020

...

35,5

0,45

0,50

0,56

0,60

...

0,99

1,10

1,23

1,32

1,60

5,5

8,0

10,5

13,0

...

16,26

7,04

4,60

3,05

1,24

2,183

5,043

7,717

11,640

...

37,5

0,45

0,50

0,56

...

0,70

0,99

1,10

1,23

1,32

1,60

5,2

7,5

10,0

...

20,0

19,91

8,78

5,42

3,98

1,45

1,883

4,271

6,919

...

25,860

40,0

0,45

0,50

...

0,60

0,70

0,99

1,10

1,23

1,32

1,60

5,0

7,0

...

11,5

19,0

22,98

11,16

6,45

4,59

1,72

1,741

3,584

...

8,714

23,260

42,5

0,50

0,56

...

0,70

1,10

1,23

1,32

1,60

6,5

9,0

11,0

18,0

...

7,75

5,33

2,05

2,935

5,484

7,974

20,730

...

45,0

0,50

0,56

0,60

0,70

0,80

1,10

...

1,32

1,60

1,80

6,3

8,5

10,5

17,0

24,0

16,18

...

6,24

2,46

1,42

2,781

4,767

7,212

18,290

31,690

...

100

101

102

47,5

0,50

0,56

0,60

0,70

0,80

...

1,23

1,32

1,60

1,80

6,0

8,0

10,0

16,0

22,0

...

11,64

7,37

3,01

1,87

2,465

4,081

6,445

15,780

25,400

...

104

105

106

107

50,0

0,50

0,56

0,60

0,70

...

1,10

1,23

1,32

1,60

1,80

5,5

7,5

9,5

15,0

...

26,46

14,58

8,78

3,73

2,18

1,890

3,429

5,695

13,400

...

108

109

110

111

53,0

0,56

0,60

0,70

0,80

...

1,32

1,60

1,80

7,0

9,0

14,0

20,0

18,62

10,57

...

2,55

2,846

5,014

11,300

20,780

112

113

114

115

...

56,0

0,56

0,60

0,70

0,80

0,90

1,23

1,32

1,60

...

2,00

6,5

8,5

13,0

19,0

26,0

24,33

12,89

6,02

...

1,79

2,302

4,344

9,302

18,540

31,280

117

118

119

...

121

60,0

0,56

0,60

0,70

0,80

0,90

1,23

1,32

...

1,80

2,00

6,3

8,0

12,0

18,0

25,0

27,26

15,94

...

3,61

2,03

2,201

3,764

7,585

16,620

29,560

122

123

...

125

63,0

0,60

0,70

0,80

0,90

1,32

1,60

1,80

...

7,5

11,5

17,0

21,0

20,05

9,14

4,36

2,32

3,142

...

14,450

27,160

126

127

128

129

67,0

0,60

0,70

...

0,90

1,32

1,60

1,80

2,00

7,0

11,0

16,0

22,0

...

10,65

5,33

3,08

2,608

6,291

12,570

21,750

130

131

...

133

134

71,0

0,60

0,70

0,80

0,90

1,00

1,32

...

1,80

2,00

2,20

6,5

10,5

15,0

21,0

28,0

33,71

...

6,62

3,59

2,20

2,106

5,671

10,720

19,780

32,270

135

...

137

138

75,0

0,70

0,80

0,90

1,00

1,60

1,80

...

2,20

10,0

14,0

20,0

26,0

14,84

8,37

4,21

2,79

...

8,960

17,810

26,880

139

140

141

142

80,0

0,70

...

0,90

1,00

1,60

1,80

2,00

2,20

9,5

13,0

19,0

...

17,77

10,77

4,99

3,17

4,502

7,428

16,030

25,240

143

...

145

146

85,0

0,70

0,80

0,90

1,00

1,60

1,80

...

2,20

9,0

12,0

18,0

24,0

21,54

14,20

5,98

3,62

...

5,986

14,210

23,480

147

148

149

150

151

90,0

...

0,80

0,90

1,00

1,10

1,60

1,80

2,00

2,20

2,40

...

11,5

17,0

22,0

30,0

26,46

16,46

7,24

4,82

2,62

...

5,468

12,430

18,670

34,350

152

153

154

155

156

...

0,70

0,80

0,90

1,00

1,10

1,60

1,80

2,00

2,20

...

8,0

11,0

16,0

21,0

28,0

33,03

19,24

8,89

5,62

...

2,876

4,938

10,690

16,900

28,960

157

158

159

160

...

100,0

0,80

0,90

1,00

1,10

1,20

1,80

2,00

2,20

...

2,65

10,5

15,0

20,0

26,0

34,0

22,67

11,06

6,62

...

2,54

4,411

9,042

15,100

23,920

39,370

162

163

164

...

166

106,0

0,80

0,90

1,00

1,10

1,20

1,80

2,00

...

2,40

2,65

10,0

14,0

19,0

25,0

32,0

26,96

14,01

...

4,75

3,09

3,932

7,566

13,490

22,320

34,300

167

168

...

170

171

112,0

0,80

0,90

1,00

1,10

1,20

1,80

...

2,20

2,40

2,65

9,5

13,0

18,0

24,0

30,0

32,48

...

9,43

5,44

3,81

3,448

6,188

11,880

20,590

29,400

172

...

174

175

176

118,0

0,80

0,90

1,00

1,10

1,20

...

2,00

2,20

2,40

2,65

9,0

12,0

17,0

22,0

28,0

...

23,95

11,44

7,26

4,77

2,981

4,927

10,310

16,250

24,740

...

178

179

180

181

125,0

0,90

1,00

1,10

1,20

...

2,00

2,20

2,40

2,65

3,10

11,5

16,0

21,0

26,0

...

27,87

14,08

8,47

6,10

2,89

4,485

8,878

14,760

20,490

...

182

183

184

185

186

132,0

0,90

1,00

1,10

...

1,40

2,00

2,20

2,40

2,65

3,10

11,0

15,0

20,0

...

38,0

32,67

17,57

9,98

6,94

3,40

4,040

7,513

13,230

...

38,820

187

188

189

190

191

140,0

0,90

1,00

...

1,20

1,40

2,00

2,20

2,40

2,65

3,10

10,5

14,0

...

24,0

36,0

38,65

22,31

11,88

7,95

4,06

3,622

6,275

...

17,610

34,480

192

193

194

195

196

150,0

0,90

...

1,10

1,20

1,40

2,00

2,20

2,40

2,65

3,10

10,0

...

18,0

22,0

34,0

46,21

28,95

14,28

10,65

4,89

3,246

...

10,500

14,080

30,670

197

198

199

200

201

160,0

...

1,10

1,20

1,40

1,60

2,20

2,40

2,65

3,10

3,50

...

17,0

21,0

32,0

45,0

38,54

17,35

12,47

5,96

3,46

...

9,222

12,830

26,840

46,240

202

203

204

205

206

...

1,00

1,10

1,20

1,40

1,60

2,20

2,40

2,65

3,10

...

11,5

16,0

20,0

30,0

42,0

44,98

21,40

14,71

7,38

...

3,779

7,944

11,560

23,040

39,260

207

208

209

210

...

180,0

1,00

1,10

1,20

1,40

1,60

2,20

2,40

2,65

...

3,50

11,0

15,0

19,0

28,0

40,0

52,91

26,79

17,54

...

5,07

3,402

6,719

10,260

19,380

35,500

212

213

214

...

216

190,0

1,10

1,20

1,40

1,60

1,80

2,40

2,65

...

3,50

3,95

14,0

18,0

26,0

38,0

52,0

34,15

21,12

...

5,99

3,58

5,564

8,996

15,950

31,720

53,070

217

218

...

220

221

200,0

1,10

1,20

1,40

1,60

1,80

2,40

...

3,10

3,50

3,95

13,0

17,0

25,0

36,0

50,0

44,55

...

13,60

7,15

4,06

4,489

7,767

14,700

27,970

49,260

222

...

224

225

226

212,0

1,10

1,20

1,40

1,60

1,80

...

2,65

3,10

3,50

3,95

12,0

16,0

24,0

34,0

48,0

...

31,86

15,61

8,64

4,63

3,555

6,654

13,580

24,540

43,790

...

228

229

230

224,0

1,20

1,40

1,60

1,80

2,65

...

3,50

3,95

15,0

22,0

32,0

45,0

40,03

21,02

10,57

...

5,596

10,660

21,190

39,440

231

232

233

234

235

...

1,20

1,40

1,60

1,80

2,00

2,65

3,10

3,50

3,95

...

14,0

21,0

30,0

42,0

55,0

51,37

24,66

13,12

7,15

...

4,594

9,570

17,990

33,000

50,640

236

237

238

239

...

241

250,0

1,20

1,40

1,60

1,80

2,00

2,20

2,65

...

3,50

3,95

4,40

4,80

13,0

20,0

28,0

40,0

52,0

...

67,32

29,20

16,56

8,39

5,58

4,49

3,714

8,562

15,100

...

44,800

55,680

242

243

244

245

246

265,0

1,40

...

1,80

2,00

2,20

3,10

3,50

3,95

4,40

4,80

19,0

...

38,0

50,0

60,0

34,95

21,30

9,95

6,34

5,26

7,582

...

26,630

41,800

50,380

247

248

249

250

251

280,0

...

1,60

1,80

2,00

2,20

3,10

3,50

3,95

4,40

4,80

...

25,0

36,0

48,0

55,0

42,30

24,36

11,91

7,25

6,97

...

11,490

23,510

38,620

40,170

252

253

254

255

256

...

1,40

1,60

1,80

2,00

2,20

3,10

3,50

3,95

4,40

...

17,0

24,0

34,0

45,0

52,0

51,92

28,05

14,42

8,96

...

5,778

10,700

20,800

33,480

35,880

257

258

259

260

...

262

315,0

1,40

1,60

1,80

2,00

2,20

2,50

3,10

...

3,95

4,40

4,80

5,50

16,0

22,0

32,0

42,0

50,0

...

64,69

37,91

17,68

11,25

9,51

5,50

4,869

8,309

17,820

...

33,120

57,270

263

264

265

266

267

268

335,0

...

1,60

1,80

2,00

2,20

2,50

3,10

3,50

3,95

4,40

...

5,50

15,0

21,0

30,0

40,0

48,0

65,0

82,02

44,65

...

13,23

10,88

6,98

4,084

7,503

15,210

25,320

30,790

47,990

...

270

271

272

273

355,0

1,60

1,80

2,00

2,20

...

3,50

3,95

4,40

4,80

5,50

20,0

28,0

38,0

45,0

...

53,16

27,87

15,72

13,48

7,73

6,678

12,740

22,580

26,340

...

274

275

276

277

278

279

375,0

1,60

1,80

...

2,20

2,50

2,80

3,50

3,95

4,40

4,80

5,50

6,10

...

26,0

36,0

42,0

60,0

80,0

63,83

35,99

18,86

16,96

...

5,76

5,875

10,420

19,880

22,110

41,390

65,100

280

281

...

283

284

285

400,0

1,60

1,80

2,00

2,20

2,50

...

3,50

3,95

4,40

4,80

5,50

6,10

18,0

25,0

34,0

...

55,0

75,0

77,71

41,27

22,90

19,99

12,06

7,09

5,147

...

17,470

20,010

33,170

56,420

286

287

288

289

290

...

425,0

1,60

1,80

2,00

2,20

2,50

2,80

3,50

3,95

...

4,80

5,50

6,10

17,0

24,0

32,0

38,0

52,0

70,0

...

47,60

28,16

23,78

14,52

8,86

4,431

8,928

15,090

17,870

...

47,970

292

293

294

295

296

450,0

1,80

2,00

...

2,50

2,80

3,95

4,40

4,80

5,50

6,10

22,0

30,0

...

50,0

65,0

64,86

35,13

28,58

16,54

11,28

6,938

12,810

...

27,210

39,890

297

298

299

300

301

475,0

1,80

...

2,20

2,50

2,80

3,95

4,40

4,80

5,50

6,10

21,0

...

34,0

48,0

63,0

76,72

44,62

34,75

18,97

12,50

6,191

...

13,670

25,040

38,000

302

303

304

305

306

500,0

...

2,00

2,20

2,50

2,80

3,95

4,40

4,80

5,50

6,10

...

26,0

32,0

45,0

60,0

91,66

57,92

42,83

23,58

14,69

...

8,632

11,670

21,200

34,040

307

308

309

310

530,0

...

2,20

2,50

2,80

4,40

4,80

5,50

6,10

25,0

30,0

...

55,0

66,58

53,64

29,78

19,62

7,960

9,881

17,800

27,010

...

312

313

314

560,0

2,00

2,20

2,50

2,80

4,40

...

5,50

6,10

24,0

28,0

40,0

52,0

77,07

69,39

35,19

...

7,266

8,188

15,910

23,660

315

316

317

318

600,0

...

2,20

2,50

2,80

4,40

4,80

5,50

6,10

22,0

26,0

...

50,0

105,80

89,19

41,95

27,03

5,676

6,727

14,300

22,200

...

320

321

630,0

2,20

2,50

2,80

4,80

5,50

6,10

...

36,0

48,0

102,80

50,56

31,01

6,128

12,460

20,320

322

...

324

670,0

2,20

2,50

2,80

4,30

5,50

6,10

24,0

...

45,0

119,40

61,75

38,66

5,611

10,850

17,330

325

326

...

2,50

2,80

5,50

6,10

32,0

42,0

76,47

48,98

9,285

...

327

328

750,0

2,50

2,80

5,50

6,10

30,0

40,0

...

57,98

7,775

12,940

329

800,0

2,50

5,50

28,0

123,80

...

330

38,0

69,31

11,540

331

850,0

2,80

6,10

36,0

...

10,130

332

900,0

34,0

102,80

8,755

333

950,0

32,0

...

7,422

334

1000,0

30,0

162,20

6,165