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25.09.2014 | We invite you to visit our stand at the exhibition "Mashex-2014"!

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Home Products Linear guidance systems Linear guides
HIWIN
 Guideways RG

Guideways RG

The rolling ball elements are replaced by rollers in the new profile rail guideways of RG series by HIWIN brand. The models of RG series have a ultra-high rigidity and load capacity. The contact angle is 45 degrees. Due to the linear working contact surface deformation is minimized because of the perceived loads and very high rigidity and load capacity are achieved in all four directions of the load action. The linear guideways of RG series provide a high productivity in a very precise manufacturing and have a great resource


HIWIN's linear guideways of RG series


 

Rotation system of the rollers: carriage, rail, end seal, circulation paths, rollers.

Lubrication system: grease nipple and oil adapter.

Dust proof: end seal, bottom and double seal, cap, scraper.

Optimum design

To ensure the optimal structure of the carriage and rail, FEM analysis was performed. The unique design of the circulation path of RG series provides the superior linear displacement.

High rigidity of the system

The rollers are used as the rolling elements in RG series. The rollers have a larger contact area than the balls and have a greater load capacity and rigidity.

High load capacity

Due to the four row design RG series have a uniform loadability in all directions. Rail guideways of RG series have a higher load capacity at a smaller size than the conventional rail guideways with the balls.

Extended service life

A basic dynamic load capacity matches the ISO standards (ISO14728-1). Compared with conventional ball guideways, RG series have a higher load capacity, which leads to an extended service life.

Accuracy classes

Accuracy classes of RG series are classified into:

  • high (H),
  • precision (P),
  • super precision (SP),
  • ultra precision (UP).
The choice depends on the equipment requirements.

 

Accuracy of interchangeable guideways Accuracy of non-interchangeable guideways
Item RG-15,20 RG-25,30,35 RG-45,55 RG-65 RG-15,20 RG-25,30,35 RG-45,55 RG-65
Accuracy Classes H P H P H P H P H P SP UP H P SP UP H P SP UP H P SP UP
Dimensional tolerance of height H ±0.03 ±0.015 ±0.04 ±0.02 ±0.05 ±0.025 ±0.07 ±0.035 ±0.03 0-0.03 0-0.015 0-0.008 ±0.04 0-0.04 0-0.02 0-0.01 ±0.05 0-0.05 0-0.03 0-0.02 ±0.07 0-0.07 0-0.05 0-0.03
Dimensional tolerance of width N ±0.03 ±0.015 ±0.04 ±0.02 ±0.05 ±0.025 ±0.07 ±0.035 ±0.03 0-0.03 0-0.015 0-0.008 ±0.04 0-0.04 0-0.02 0-0.01 ±0.05 0-0.05 0-0.03 0-0.02 ±0.07 0-0.07 0-0.05 0-0.03
Variation of height H 0.01 0.006 0.015 0.007 0.015 0.007 0.02 0.01 0.01 0.006 0.004 0.003 0.015 0.007 0.005 0.003 0.015 0.007 0.005 0.003 0.02 0.01 0.007 0.005
Variation of width N 0.01 0.006 0.015 0.007 0.02 0.01 0.025 0.015 0.01 0.006 0.004 0.003 0.015 0.007 0.005 0.003 0.02 0.01 0.007 0.005 0.025 0.015 0.01 0.007
Running parallelism of block surface C to surface A Watch the table "Accuracy of Running Parallelism"
Running parallelism of block surface D to surface B


Accuracy of Running Parallelism

 

Rail Length (mm) Accuracy (μm)
H P SP UP
100 7 3 2 2
100-200 9 4 2 2
200-300 10 5 3 2
300-500 12 6 3 2
500-700 13 7 4 2
700-900 15 8 5 3
900-1100 16 9 6 3
1100-1500 18 11 7 4
1500-1900 20 13 8 4
1900-2500 22 15 10 5
2500-3100 25 18 11 6
3100-3600 27 20 14 7
3600-4000 28 21 15 7

Preload

Definition

The preload can be set for each profile rail guideway. For this purpose oversized balls are used. Usually a negative clearance between the rolling surface and balls is used in the profile rail guideways for increase of the rigidity and accuracy.

Preload classes

There are three types of standard preload for different application conditions.

"C" means the dynamic load capacity in the column "Preload".

Class Code Preload Condition
Light Preload Z0 0.02-0.04C Certain load direction,low impact, low precision required
Medium Preload ZA 0.07C-0.09C High precision required
Heavy Preload ZB 0.12C-0.14C High rigidity required, with vibration and impact

 

RGH-CA/RGH-HA

 

 

 

Model No. Dimensions of Assembly
(mm)		 Dimensions of Block (mm) Dimensions of Rail (mm) Mounting
Bolt for
Rail		 Basic
Dynamic
Load
Rating		 Basic
Static
Load
Rating		 Static Rated
Moment		 Weight
H H1 N W B B1 C L1 L K1 K2 G Mxl T H2 H3 Wr Hr D h d P E (mm) C(kN) C0(kN) Mr kN-m Mp kN-m My kN-m Block
kg		 Rail
kg/m
RGH 15CA 28 4 9,5 34 26 4 26 45 68 13.4 4.7 5,3 M4x8 6 7.6 10.1 15 16.5 7.5 5.7 4.5 30 20 M4x16 11,3 24 0.311 0.173 0.173 0.22 1.8
RGH 20CA 34 5 12 44 32 6 36 57.5 86 15.8 6 5.3 М5х8 8 8.3 8.3 20 21 9.5 8.5 6 30 20 М5х20 21.3 46.7 0.647 0.46 0.46 0.37 2.76
RGH 20HA 50 77.5 106 18.8 26.9 63 0.872 0.837 0.837 0.49
RGH 25CA 40 5.5 12.5 48 35 6.5 35 64.5 97.9 20.75 7.25 12 М6х8 9.5 10.2 10 23 23.6 11 9 7 30 20 М6х20 27.7 57.1 0.758 0.605 0.605 0.55 3.08
RGH 25HA 50 81 114.4 21.5 33.9 73.4 0.975 0.991 0.991 0.7
RGH 30CA 45 6 16 60 40 10 40 71 109.8 23.5 8 12 М8х10 9.5 9.5 10.3 28 28 14 12 9 40 20 М8х25 39.1 82.1 1.445 1.06 1.06 0.82 4.41
RGH 30HA 60 93 131.8 24.5 48.1 105 1.846 1.712 1.712 1.07
RGH 35CA 55 6.5 18 70 50 10 50 79 124 22.5 10 12 М8х12 12 16 19.6 34 30.2 14 12 9 40 20 М8х25 57.9 105.2 2.17 1.44 1.44 1.43 6.06
RGH 35HA 72 106.5 151.5 25.25 73.1 142 2.93 2.6 2.6 1.86
RGH 45CA 70 8 20.5 86 60 13 60 106 153.2 31 10 12.9 М10х17 16 20 24 45 38 20 17 14 52.5 22.5 М12х35 92.6 178.8 4.52 3.05 3.05 2.97 9.97
RGH 45HA 80 139.8 187 37.9 116 230.9 6.33 5.47 5.47 3.97
RGH 55CA 80 10 23.5 100 75 12.5 75 125.5 183.7 37.75 12.5 12,9 М12х18 17.5 22 27.5 53 44 23 20 16 60 30 М14х45 130.5 252 8.01 5.4 5.4 4.62 13.98
RGH 55HA 95 173.8 232 51.9 167.8 348 11.15 10.25 10.25 6.4
RGH 65CA 90 12 31.5 126 76 25 70 160 232 60.8 15.8 12.9 М16х20 25 15 15 63 53 26 22 18 75 35 М16х50 213 411.6 16.2 11.59 11.59 8.33 20.22
RGH 65HA 120 223 295 67.3 275.3 572.7 22.55 22.17 22.17 11.62


RGW-CC/RGW-HC

 

Model No. Dimensions of Assembly
(mm)		 Dimensions of Block (mm) Dimensions of Rail (mm) Mounting
Bolt for
Rail		 Basic
Dynamic
Load
Rating		 Basic
Static
Load
Rating		 Static Rated
Moment		 Weight
H H1 N W B B1 C C1 L1 L K1 K2 G M T T1 H2 H3 Wr Hr D h d P E (mm) C(kN) C0(kN) Mr kN-m Mp kN-m My kN-m Block
kg		 Rail
kg/m
RGW 15CC 24 4 16 47 38 4.5 30 26 45 68 11.4 4.7 5,3 M5 6 6.95 3.6 6.1 15 16.5 7.5 5.7 4.5 30 20 M4x16 11,3 24 0.311 0.173 0.173 0.23 1.8
RGW 20CC 30 5 21.5 63 53 5 40 35 57.5 86 13.8 6 5.3 М6 8 10 4.3 4.3 20 21 9.5 8.5 6 30 20 М5х20 21.3 46.7 0.647 0.46 0.46 0.44 2.76
RGW 20HC 77.5 106 23.8 26.9 63 0.872 0.837 0.837 0.62
RGW 25CC 36 5.5 23.5 70 57 6.5 45 40 64.5 97.9 15.75 7.25 12 М8 9.5 10 6.2 6 23 23.6 11 9 7 30 20 М6х20 27.7 57.1 0.758 0.605 0.605 0.67 3.08
RGW 25HC 81 114.4 24 33.9 73.4 0.975 0.991 0.991 0.86
RGW 30CC 42 6 31 90 72 9 52 44 71 109.8 17.5 8 12 М10 9.5 10 6.5 7.3 28 28 14 12 9 40 20 М8х25 39.1 82.1 1.445 1.06 1.06 1.06 4.41
RGW 30HC 93 131.8 28.5 48.1 105 1.846 1.712 1.712 1.42
RGW 35CC 48 6.5 33 100 82 9 62 52 79 124 16.5 10 12 М10 12 13 9 12.6 34 30.2 14 12 9 40 20 М8х25 57.9 105.2 2.17 1.44 1.44 1.61 6.06
RGW 35HC 106.5 151.5 30.25 73.1 142 2.93 2.6 2.6 2.21
RGW 45CC 60 8 37.5 120 100 10 80 60 106 153.2 21 10 12.9 М12 14 15 10 14 45 38 20 17 14 52.5 22.5 М12х35 92.6 178.8 4.52 3.05 3.05 3.22 9.97
RGW 45HC 139.8 187 37.9 116 230.9 6.33 5.47 5.47 4.41
RGW 55CC 70 10 43.5 140 116 12 95 70 125.5 183.7 27.75 12.5 12,9 М14 16 17 12 17.5 53 44 23 20 16 60 30 М14х45 130.5 252 8.01 5.4 5.4 5.18 13.98
RGW 55HC 173.8 232 51.9 167.8 348 11.15 10.25 10.25 7.34
RGW 65CC 90 12 53.5 170 142 14 110 82 160 232 40.8 15.8 12.9 М16 22 23 15 15 63 53 26 22 18 75 35 М16х50 213 411.6 16.2 11.59 11.59 11.04 20.22
RGW 65HC 223 295 72.3 275.3 572.7 22.55 22.17 22.17 15.75

 

Dust proof 

 

Standard and maximum rail length

Standard and maximum rail length
Hiwin offers a standard rail length to the needs of the client. For non-standard length E recommended size should not exceed 1/2 of the pitch (P). It prevents the instability of the rail end.
L=(n-1)*P+2*E

 

L-total length of guideway (mm)
n-number of mounting holes
P-distance between the two holes (mm)
E-distance from the center of the last hole to edge (mm)

 

Standard and maximum guideway length

Item RGR15 RGR20 RGR25 RGR30 RGR35 RGR45 RGR55 RGR65
Standard Length L(n) 160(5) 220(7) 220(7) 280(7) 280(7) 570(11) 780(13) 1270(17)
220(7) 280(9) 280(9) 440(11) 440(11) 885(17) 1020(17) 1570(21)
340(11) 340(11) 340(11) 600(15) 600(15) 1200(23) 1260(21) 2020(27)
460(15) 460(15) 460(15) 760(19) 760(19) 1620(31) 1500(25) 2620(35)
580(19) 640(21) 640(21) 1000(25) 1000(25) 2040(39) 1980(33)  
700(23) 820(27) 820(27) 1640(41) 1640(41) 2460(47) 2580(43)  
940(31) 1000(33) 1000(33) 2040(51) 2040(51) 2985(57) 2940(49)  
1120(37) 1180(39) 1240(41) 2520(63) 2520(63) 3090(59) 3060(51)  
1360(45) 1360(45) 1600(53) 3000(75) 3000(75) - -  
Pitch (P) 30 30 30 40 40 52.5 60 75
Distance to End (Es) 20 20 20 20 20 22.5 30 35
Max. Standard Length 4000(133) 4000(133) 4000(133) 3960(99) 3960(99) 3930(75) 3900(65) 3970(53)
Max. Length 4000 4000 4000 4000 4000 4000 4000 4000

 

Dimensions of RGR-T (mounting from bottom)
 

Scheme size rail RGR-T

 

 

Model No. Dimensions of Rail (mm) Weight
Wr Hr S h P E (kg/m)
RGR15T 15 16.5 M5×0.8P 8 30 20 1.86
RGR20T 20 21 M6×1P 10 30 20 2.76
RGR25T 23 23.6 M6×1P 12 30 20 3.36
RGR30T 28 28 M8×1.25P 15 40 20 4.82
RGR35T 34 30.2 M8×1.25P 17 40 20 6.48
RGR45T 45 38 M12×1.75P 24 52.5 22.5 10.83
RGR55T 53 44 M14×2P 24 60 30 15.15
RGR65T 63 53 M20×2.5P 30 75 35 21.24

 

Interchangeable type

RG - W - 25 - C - A - E - ZA - P + ZZ/E2

RG - Series

W - Block Type:
W: Flange Type;
H: Square Type

25 - Model size 
(15; 20; 25; 30; 35; 45; 55; 65)

С -  Block type: 
С:Standard; 
H: Long.

A - Block Mounting Type
A: Mounting From Top;  
С: Top or Bottom

E - Special Block
None: Standard block

ZA, Z0 - Preload Code

P - Precision Code
(H, P)

ZZ - Dust Protection2;
Е2 - Self-Lubricant;

 

Non-interchangeable type

RG - W - 35 - C - C - E - 2 - R - 1640- E - ZA - P - ll + KK/E2/RC

RG - Series

W - Block Type:
W: Flange Type; 
H: Square Type

35- Model size 
(15; 20; 25; 30; 35; 45; 55; 65)

С -  Block type: 
С:Standard; 
H: Long.

A - Block Mounting
A: Mounting From Top;
С: Top or Bottom.

E - Special Block

None: Standard Block

2 - No. of Blocks per Rail

R - Rail Mounting Type
R: Mounting From Top 
T: Bottom

1640 - Rail Length (mm)

E - Special Rail
None: Standard Rail

ZA, Z0, ZB - Preload Code

P - Precision Code
( H, P, SP, UP)

ll - No. of Rails per matched set1

KK - Dust Protection2;
Е2 - Self-Lubricant;
RC - Reinforced Cap

1. The roman numerals indicate the number of guideways in the set.
2. The absence of designation indicates the standard designation (end seal and bottom seal):
ZZ: End seal, bottom seal and scraper;
KK: Double seals, bottom seal and scraper;
DD: Double seals, bottom seal.

Rail designation of the RG series

RG - R - 25 - R - 1240 - E - P + RC

RG - Series

R - Interchangeable Rail

25 - Model size 
(15; 20; 25; 30; 35; 45; 55; 65)

R - Rail Mounting Type:
R: Mounting From Top;
T: Bottom 

1240 - Rail Length (mm)

E - Special Rail
None: Standard Rail

P - Precision Code (H,P)

RC - Reinforced Cap

 

Open the catalog in pdf formatе pdf
Download catalog in zip format

 

 

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