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DRIVE SOLUTIONS TRASCO GRB Series, Руководство пользователя и по обслуживанию


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TRASCO

®

 - User and Maintenance Manual

114.02 - Rev. 2 - 2

nd

 March 2020

Approved by: SIT S.p.A.

12

FLANGE - FLANGE

SHAFT - FLANGE

SHAFT - SHAFT

Figure 2-5 - GRF C  Hubs

Table 2.8 - TRASCO

®

 GRF C Dimensions

E A

H

N

S

S

M

V

Bc

E

Lc

Fa

D         Nr

G

C

P

GRMP...A

BFN

AR

CFN

MFN

N

S

Bc

E

 S 

 M   V 

 V 

 La 

D         Nr

P

 Fa

 

 

G 

N

E

 S 

 S 

 M 

 V 

 V 

 H 

 I 

 H 

 I 

 

B 

 

B 

 Bb 

 Lb 

D         Nr

G

C

P

 

Fa

 

 

Fa

 

ALBERO-FLANGIA

FLANGIA-FLANGIA

ALBERO-ALBERO

E A

H

N

S

S

M

V

Bc

E

Lc

Fa

D         Nr

G

C

P

GRMP...A

BFN

AR

CFN

MFN

N

S

Bc

E

 S 

 M   V 

 V 

 La 

D         Nr

P

 Fa

 

 

G 

N

E

 S 

 S 

 M 

 V 

 V 

 H 

 I 

 H 

 I 

 

B 

 

B 

 Bb 

 Lb 

D         Nr

G

C

P

 

Fa

 

 

Fa

 

ALBERO-FLANGIA

FLANGIA-FLANGIA

ALBERO-ALBERO

E A

H

N

S

S

M

V

Bc

E

Lc

Fa

D         Nr

G

C

P

GRMP...A

BFN

AR

CFN

MFN

N

S

Bc

E

 S 

 M   V 

 V 

 La 

D         Nr

P

 Fa

 

 

G 

N

E

 S 

 S 

 M 

 V 

 V 

 H 

 I 

 H 

 I 

 

B 

 

B 

 Bb 

 Lb 

D         Nr

G

C

P

 

Fa

 

 

Fa

 

ALBERO-FLANGIA

FLANGIA-FLANGIA

ALBERO-ALBERO

E A

H

N

S

S

M

V

Bc

E

Lc

Fa

D         Nr

G

C

P

GRMP...A

BFN

AR

CFN

MFN

N

S

Bc

E

 S 

 M   V 

 V 

 La 

D         Nr

P

 Fa

 

 

G 

N

E

 S 

 S 

 M 

 V 

 V 

 H 

 I 

 H 

 I 

 

B 

 

B 

 Bb 

 Lb 

D         Nr

G

C

P

 

Fa

 

 

Fa

 

ALBERO-FLANGIA

FLANGIA-FLANGIA

ALBERO-ALBERO

E A

H

N

S

S

M

V

Bc

E

Lc

Fa

D         Nr

G

C

P

GRMP...A

BFN

AR

CFN

MFN

N

S

Bc

E

 S 

 M   V 

 V 

 La 

D         Nr

P

 Fa

 

 

G 

N

E

 S 

 S 

 M 

 V 

 V 

 H 

 I 

 H 

 I 

 

B 

 

B 

 Bb 

 Lb 

D         Nr

G

C

P

 

Fa

 

 

Fa

 

ALBERO-FLANGIA

FLANGIA-FLANGIA

ALBERO-ALBERO

E A

H

N

S

S

M

V

Bc

E

Lc

Fa

D         Nr

G

C

P

GRMP...A

BFN

AR

CFN

MFN

N

S

Bc

E

 S 

 M   V 

 V 

 La 

D         Nr

P

 Fa

 

 

G 

N

E

 S 

 S 

 M 

 V 

 V 

 H 

 I 

 H 

 I 

 

B 

 

B 

 Bb 

 Lb 

D         Nr

G

C

P

 

Fa

 

 

Fa

 

ALBERO-FLANGIA

FLANGIA-FLANGIA

ALBERO-ALBERO

* measures in mm

SIZE

Fa 

min

Fa 

max

E

A

B

H

I

La

Lb

Lc

V

M

S

N

Bb

Bc

G

D

Nr

C

P

24/32

8

24

55

40

36

30

22

34

94

56

8

18

2

14

31

1,5

27

45

8

36

M5

28/38

10

28

65

48

42

35

25

40

110

65

10

20

2,5

15

36

1,5

30

54

8

44

M6

38/45

12

38

80

66

52

45

35

44

134

79

10

24

3

18

46

1,5

38

66

8

54

M8

42/55

14

42

95

75

62

50

38

50

150

88

12

26

3

20

51

2

46

80

12

65

M8

48/60

15

48

105

85

70

56

44

52

164

96

12

28

3,5

21

57

2

51

90

12

75

M8

55/70

20

55

120

98

80

65

49

62

192

111

16

30

4

22

66

2

60

102

8

84

M10

65/75

22

65

135

115

94

75

59

67

217

126

16

35

4,5

26

76

2

68

116

12

96

M10

75/90

30

75

160

135

108

85

66

78

248

144

19

40

5

30

87

2,5

80

136

15

112

M12

90/100

40

90

200

160

142

100

80

85

285

165

20

45

5,5

34

102

3

100

172

15

145

M16

100/110

45

115

225

180

158

110

85

100

320

185

25

50

6

38

112

4

113

195

15

165

M16

110/125

55

125

255

200

178

120

94

107

347

201

26

55

6,5

42

122

4

127

218

15

180

M20

125/145

55

145

290

230

206

140

110

120

400

230

30

60

7

46

142

5

147

252

15

215

M20

Содержание TRASCO GRB Series

Страница 1: ...SIT S p A Viale A Volta 2 20090 Cusago MI Italy Tel 39 02891441 Fax 39 0289144291 export sitspa it www sitspa com TRASCO Couplings USER AND MAINTENANCE MANUAL ...

Страница 2: ...BUSH MOUNTING 20 4 2 2 TAPER BUSH DISASSEMBLY 21 4 3 GRS COUPLING ASSEMBLY 21 44 GRF COUPLING ASSEMBLY 22 4 4 1 FLANGE FLANGE VERSION 22 4 4 2 SHAFT FLANGE VERSION 23 4 4 3 SHAFT SHAFT VERSION 24 5 ATEX ANNEX 25 5 1 ATEX ZONE CLASSIFICATION 25 5 2 ATEX EQUIPMENT CLASSIFICATION 26 5 3 APPROPRIATE USE OF TRASCO COUPLINGS IN ATEX ZONES 26 5 3 1 GAS TEMPERATURE CLASSES FOR GROUP II EQUIPMENT AND MAXIM...

Страница 3: ...X ZONE CLASSIFICATION 25 TABLE 5 2 ATEX GROUPS AND CATEGORIES CLASSIFICATION 26 TABLE 5 3 GAS TEMPERATURE CLASSES 26 TABLE 5 4 QUOTE Z FOR CHECKING SPIDER WEAR 28 INDEX OF FIGURES Page FIGURE 2 1 TRASCO GRMP HUBS 6 FIGURE 2 2 TRASCO SERIES GRB 8 FIGURE 2 3 TRASCO SERIES GRS 10 FIGURE 2 4 TRASCO GRF HUBS 11 FIGURE 2 5 TRASCO GRF C HUBS 12 FIGURE 2 6 PROCESSING TOLERANCE 13 FIGURE 2 7 SETSCREW POSIT...

Страница 4: ...ive 2014 34 EU All the indications are provided so that it is properly dimensioned stored and assembled As regards the couplings that have to work in potentially explosive environments all the indications and standards for identifying the installation areas for which the coupling is certified to operate in safe conditions are provided Before handling a SIT coupling for moving installing or perform...

Страница 5: ...r angular radial and axial misalignments due to small variations in length of the shafts The hub teeth and spider profiles are designed so as to obtain a uniform pressure distribution The elastic element is subject only to compression stress and does not induce any axial or radial stresses providing the TRASCO coupling with great load capacity and durability The coupling can be assembled both hori...

Страница 6: ...he milling of the seat of the flexible element of the GRMP guarantees a perfect coupling with the elastic spider in order to ensure a long life in the correct operating conditions Note For details contact the Technical Department SERIES SIZE STANDARD MATERIAL OPTIONAL MATERIALS GRMP 19 24 Steel sintered Steel Stainless steel Aluminium Spheroidal cast iron from 24 32 to 90 100 Grey cast iron Steel ...

Страница 7: ...25 180 50 6 38 113 110 125 125 55 255 200 55 6 5 42 127 125 145 145 55 290 230 60 7 46 147 140 160 160 55 320 255 65 7 5 50 165 160 185 185 75 370 290 75 9 57 190 180 200 200 80 420 325 85 10 5 64 220 SIZE Execution A Execution B Execution AL Execution BL H L A A I H L B B I H L AL AL I H L BL BL I 19 24 25 66 50 24 32 30 78 24 30 78 50 118 44 60 116 28 38 35 90 28 35 90 60 140 53 80 180 38 45 45 ...

Страница 8: ...ush mounting from the outside of the hub B2 with bush mounting from the inside of the hub measures in mm SIZE Fa max Fb max Fg E A B L H M S N I G t P A B 19 24 24 40 40 40 66 25 16 2 12 18 10 M5 24 32 24 32 55 40 55 78 30 18 2 14 24 27 10 M5 28 38 28 38 12 28 65 48 65 90 35 20 2 5 15 28 30 15 M6 38 45 38 45 22 38 80 66 77 114 45 24 3 18 37 38 15 M8 42 55 55 22 95 95 126 50 26 3 20 46 20 M8 48 60 ...

Страница 9: ...8 150 inches 3 8 1 2 5 8 3 4 7 8 1 11 8 1610 4025 mm 12 14 15 16 18 19 20 22 24 25 26 28 30 32 35 38 40 42 490 inches 3 8 1 2 5 8 3 4 7 8 1 11 8 11 4 13 8 11 2 15 8 1615 4040 mm 12 14 15 16 18 19 20 22 24 25 28 30 32 35 38 40 42 490 inches 1 2 5 8 3 4 7 8 1 11 8 11 4 13 8 11 2 15 8 13 4 2012 5030 mm 14 15 16 18 19 20 22 24 25 26 28 30 32 35 38 40 42 45 48 50 800 inches 5 8 3 4 7 8 1 11 8 11 4 13 8...

Страница 10: ...RS Dimensions SIZE Fa Fb H V C M S N L E A B G ΔKr ΔKw 24 32 9 24 11 32 30 16 52 18 2 14 112 55 40 55 27 0 89 1 30 28 38 9 28 11 38 35 18 58 20 2 5 15 128 65 48 65 30 1 1 30 38 45 11 38 13 45 45 20 68 24 3 18 158 80 66 80 38 1 15 1 30 42 55 11 42 13 55 50 22 74 26 3 20 174 95 75 95 46 1 26 1 30 48 60 13 48 13 60 56 24 80 28 3 5 21 192 105 85 105 51 1 36 1 30 55 70 16 55 16 70 65 28 88 30 4 22 218 ...

Страница 11: ... 140 75 95 115 6 9 46 50 51 2 38 12 26 3 20 50 150 88 48 60 15 48 105 150 85 105 125 8 9 51 56 57 2 44 12 28 3 5 21 52 164 96 55 70 20 55 120 175 98 120 145 8 11 60 65 66 2 49 16 30 4 22 62 192 111 65 75 22 65 135 190 115 135 160 10 11 68 75 76 2 59 16 35 4 5 26 67 217 126 75 90 30 75 160 215 135 160 185 10 14 80 85 87 2 5 66 19 40 5 30 78 248 144 90 100 40 90 200 260 160 200 225 12 14 100 100 102...

Страница 12: ...H I H I B B Bb Lb D Nr G C P Fa Fa ALBERO FLANGIA FLANGIA FLANGIA ALBERO ALBERO measures in mm SIZE Fa min Fa max E A B H I La Lb Lc V M S N Bb Bc G D Nr C P 24 32 8 24 55 40 36 30 22 34 94 56 8 18 2 14 31 1 5 27 45 8 36 M5 28 38 10 28 65 48 42 35 25 40 110 65 10 20 2 5 15 36 1 5 30 54 8 44 M6 38 45 12 38 80 66 52 45 35 44 134 79 10 24 3 18 46 1 5 38 66 8 54 M8 42 55 14 42 95 75 62 50 38 50 150 88...

Страница 13: ...in the catalogue table must not be exceeded Higher values could cause breakage and danger around the machine If the hub bore is machined by the customer the concentricity and radial oscillation values specified by SIT must be respected Carefully align the hubs when machining the finished bore CAUTION The customer is responsible for all the machining performed SIT assumes no liability arising from ...

Страница 14: ...ws refer to TABLE 2 9 TRASCO setscrew position and to the drawing of FIGURE 2 7 Setscrew position Figure 2 7 Setscrew position t P GRMP A Table 2 9 TRASCO Setscrew position SIZE THREAD DISTANCE mm THIGHTNING TORQUE Nm 19 24 M5 10 2 24 32 M5 10 2 28 38 M6 15 4 8 38 45 M8 15 10 42 55 M8 20 10 48 60 M8 20 10 55 70 M10 20 17 65 75 M10 20 17 75 90 M10 25 17 90 100 M12 30 40 100 110 M12 30 40 110 125 M1...

Страница 15: ...ing performance according to the application The flexible element is particularly resistant to ageing hydrolysis therefore also suitable for tropical climates fatigue abrasion and is self damping The spiders are available as standard product in three hardness to suit different applications and related operating temperature Yellow ring 92 Sh A 40 C 90 C Red ring 98 Sh A 30 C 90 C Green ring 64 Sh D...

Страница 16: ... Red 98 Sh A 450 900 117 6000 Green 64 Sh D 560 1120 145 6000 48 60 Yellow 92 Sh A 310 620 81 5600 Red 98 Sh A 525 1050 137 5600 Green 64 Sh D 655 1310 170 5600 55 70 Yellow 92 Sh A 410 820 107 4750 Red 98 Sh A 680 1250 178 4750 Green 64 Sh D 825 1650 215 4750 65 75 Yellow 92 Sh A 625 1250 163 4250 Red 98 Sh A 950 1900 245 4250 Green 64 Sh D 1175 2350 305 4250 75 90 Yellow 92 Sh A 1280 2560 333 35...

Страница 17: ... Axial misalignment Axial misalignment Axial misalignment Figure 2 9 TRASCO misalignments SIZE Axial mis Ka mm Angular mis Kw Radial mis Kr mm 19 24 1 2 1 30 0 20 24 32 1 4 1 30 0 22 28 38 1 5 1 30 0 25 38 45 1 8 1 30 0 28 42 55 2 0 1 30 0 32 48 60 2 1 1 30 0 36 55 70 2 2 1 30 0 38 65 75 2 6 1 30 0 42 75 90 3 0 1 30 0 48 90 100 3 4 1 30 0 50 100 110 3 8 1 30 0 52 110 125 4 2 1 30 0 55 125 145 4 6 ...

Страница 18: ...Check the driving and driven hub to achieve the value M see FIGURE 4 2 and TABLE 4 1 If the motor and driven machine are already firmly assembled move axially the hubs on the shafts to adjust the M dimension Set the hubs using the setscrews tightening according to TABLE 2 9 TRASCO SETSCREW POSITION ATTENTION Install the hubs using only with the spider provided by SIT S p A and of the same size SIT...

Страница 19: ...180 200 85 Table 4 1 M Value STOP DANGER Touching overheated hubs may causes burns We recommend wearing safety gloves PRECAUTIONS Be very careful in the dangerous areas CAUTION For the installation make sure that the distance M is maintained in order to ensure that the spider can be moved axially If this advice is disregarded the device could be damaged CAUTION If the dimensions of shaft and key i...

Страница 20: ...ning holes Position the setscrews and tighten them partially Insert the whole shaft to the desired position make sure that the M value reported in TABLE 4 1 M Value is respected and fully tighten the setscrews according to the tightening torques specified in TABLE 4 2 CONICAL CLAMPING BUSHES SETCREWS After a short period of operation please check that the setscrews are not loose B1 B2 Figure 4 3 T...

Страница 21: ... equipment 4 2 2 Taper bush disassembly 4 3 GRS coupling assembly To remove the taper bush from the hub remove the setscrews Then insert one of these into the threaded hole of the bush forcing its disassembling Components 2 hubs 2 spiders 1 intermediate element 2 setscrews Follow the instructions of the GRMP type making sure to check the value M see TABLE 4 1 M Value for both spiders Ø Fa S S M V ...

Страница 22: ... driven hub to achieve the value M according to TABLE 4 1 M Value CF GRMP A A E H M V S P Ea Bc N S Fa C D G CF CF S Ea E V Bc P C N S M V D G Fa A H I N S S M V V FLANGIA FLANGIA GRFCF AR GRFCF GRFCFN AR GRFCFN Figure 4 5 Flange flange version CF CFN SIZE No SCREWS ANGULAR SPAN OF BORES ANGULAR SPAN OF BORES TIGHTENING TORQUE Nm FLANGE THICKNESS V mm 19 24 5 72 M5 10 8 24 32 5 72 M5 10 8 28 38 6 ...

Страница 23: ...d the driven machine tightening the screws partially Tighten the screws with a torque wrench at the tightening torque indicated in TABLE 4 3 GRF Screws Place the spider on one of the 2 flanges Check the driving and driven hub to achieve the value M according to TABLE 4 1 M Value TRASCO AR GRFCF TRASCO AR GRFCFN Figure 4 6 Shaft flange version CF CFN CF GRMP A A E H M V S P Ea Bc N S Fa C D G CF Ea...

Страница 24: ... TABLE 4 1 M Value for V see TABLE 4 3 GRF Screws Fasten the flanged hubs with the setscrews according to TABLE 2 9 TRASCO SETSCREW POSITION Join together the 2 flanges CF CFN and the spider then position the assembly between the flanged hubs Tighten the parts by hand Tighten the screws with a torque wrench as shown in the TABLE 4 3 GRF Screws MF GRFCF AR GRFCF MF MF GRFCFN AR GRFCFN MF Figure 4 7...

Страница 25: ...ously or for long periods or frequently 1000 hours year 1G Ga Zone 1 A place in which an explosive atmosphere consisting of a mixture of air of dangerous substances in the form of a gas vapour or mist is likely to occur in normal operation occasionally 10 1000 hours year 2G or 1G Gb or Ga Zone2 A place in which an explosive atmosphere consisting of a mixture of air of dangerous substances in the f...

Страница 26: ...a 90 C T5 95 30 C Ta 75 C T6 80 30 C Ta 60 C Table 5 3 Gas temperature classes GROUP EPL CATEGORY RISK LEVEL PROTECTION CHARACTERISTICS OPERATING CONDITIONS GROUP I mining industry Ma M1 Very high Two independent means of protection or safety ensured even in the event of two faults occurring independently of each other The equipment remains connected to the power supply and in operation even in th...

Страница 27: ...rea of the hub surface SYMBOL DESCRIPTION I II Group I mining industry II surface machine 2 Category 2 zone 1 zone 21 G Explosive atmosphere with gases vapours or mists D Explosive atmosphere with dust Ex h Type of protection Constructional safety IIC Explosion group for gases IIIC Explosion group for dusts T6 T4 Temperature class gas T80 T110 Maximum surface temperature dusts Mb Gb Db EPL Ta Ambi...

Страница 28: ... the first inspection did not show excessive wear values that led to replacement of the elastic spider The check is performed using a feeler gauge to assess the wear of each element of the spider If the measured value Z value is higher than that indicated in the Z VALUE FOR CHECKING SPIDER WEAR it is recommended to replace the spider with an equivalent one SIZE QUOTE Z mm 19 24 3 24 32 3 28 38 3 3...

Страница 29: ... it is not subjected to the normal maintenance plans provided from the User and Maintenance Manual it is not used as provided in the design specifications Different or additional uses not included in the technical specification are not permitted and SIT shall not be liable for any damage related to unauthorised uses All maintenance operations must be carried out as indicated in the User and Mainte...

Страница 30: ...ted from the earth ensure that connection of the couplings with the earth is always guaranteed over time 5 8 1 Protection devices for couplings in hazardous atmospheres Protection devices for couplings against unintended contact must be firmly attached Couplings for use in hazardous atmospheres must be protected by sturdy guards if possible made of stainless steel against falling objects They must...

Страница 31: ...product TRASCO Coupling to which this declaration refers is in conformity with the following European Directive Directive ATEX 2014 34 UE The conformity is under observance of the following standards or standards documents EN ISO 80079 36 2016 EN ISO 80079 37 2016 The technical documentation is deposited with the DNV GL Presafe AS Veristasveien 3 1363 HOVIK Norway We SIT S p A Viale A Volta 2 2009...

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