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Home Products Linear guidance systems Linear guides
HIWIN
 Guideways HG

Guideways HG

HG series is designed as a load lifting and rigid series compared with a similar products, with a specially optimized semi-circular profile and design. It provides the uniform load distribution in all directions and self-adjustment in avoiding the errors during the installation. Thus, the guideways of HG series have long service life, high speed characteristics, high accuracy and smooth movement.


Linear guideways HIWIN HG series


 

 

Features of HG series

Self-adjustmentо

Specially designed construction of HG series with a semicircular profile and the balls contact angle of 45 degrees provides the avoid of the most installation errors caused by irregularities of the mounting surface, and smooth movement by the flexible deformation of the rolling elements and the displacement of the contact points. Ability to self-adjustment, high accuracy and smooth stroke are combined with easy installation.

Interchangeability

Due to the strict dimensional control, HG series can maintain the serial acceptability. This means that any carriage and rail in the series can be used together in the case of size coincidence. The clamp prevents the balls loss in the case when the carriage is removed from the rail.

High structural rigidity in all directions

Due to four point contact of the balls, HG series has a uniform loadability in all directions. Due to semicircular profile of the raceways and large contact surface of the balls and raceway, a high load capacity and rigidity of the construction are achieved.

Accuracy classes

Accuracy classes of HG series are classified into:

● normal (C),
● high (H),
● super precision (SP),
● ultra precision (UP).

The choice depends on the equipment requirements.

 

Accuracy of interchangeable guideways Accuracy of non-interchangeable guideways
Item HG-15,20 HG-25,30,35 HG-45,55 HG-65 HG-15,20 HG-25,30,35 HG-45,55 HG-65
Accuracy Classes C H P C H P C H P C H P C H P SP UP C H P SP UP C H P SP UP C H P SP UP
Dimensional tolerance of height H ±0.1 ±0.03 ±0.015 ±0.1 ±0.04 ±0.02 ±0.1 ±0.05 ±0.025 ±0.1 ±0.07 ±0.035 ±0.1 ±0.03 0-0.03 0-0.015 0-0.008 ±0.1 ±0.04 0-0.04 0-0.02 0-0.01 ±0.1 ±0.05 0-0.05 0-0.03 0-0.02 ±0.1 ±0.07 0-0.07 0-0.05 0-0.03
Dimensional tolerance of width N ±0.1 ±0.03 ±0.015 ±0.1 ±0.04 ±0.02 ±0.1 ±0.05 ±0.025 ±0.1 ±0.07 ±0.035 ±0.01 ±0.03 0-0.03 0-0.015 0-0.008 ±0.1 ±0.04 0-0.04 0-0.02 0-0.01 ±0.1 ±0.05 0-0.05 0-0.03 0-0.02 ±0.1 ±0.07 0-0.07 0-0.05 0-0.03
Variation of height H 0.02 0.01 0.006 0.02 0.015 0.007 0.03 0.015 0.007 0.03 0.02 0.01 0.02 0.01 0.006 0.004 0.003 0.02 0.015 0.007 0.005 0.003 0.03 0.015 0.007 0.005 0.003 0.03 0.02 0.01 0.007 0.005
Variation of width N 0.02 0.01 0.006 0.03 0.015 0.007 0.03 0.02 0.01 0.03 0.025 0.015 0.02 0.01 0.006 0.004 0.003 0.03 0.015 0.007 0.005 0.003 0.03 0.02 0.01 0.007 0.005 0.03 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)
C H P SP UP
100 12 7 3 2 2
100-200 14 9 4 2 2
200-300 15 10 5 3 2
300-500 17 12 6 3 2
500-700 20 13 7 4 2
700-900 22 15 8 5 3
900-1100 24 16 9 6 3
1100-1500 26 18 11 7 4
1500-1900 28 20 13 8 4
1900-2500 31 22 15 10 5
2500-3100 33 25 18 11 6
3100-3600 36 27 20 14 7
3600-4000 37 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. The curve shows that rigidity doubles with the strong preload. To avoid premature wear of the system, the preload over ZA type is not recommended for profile guideways, size of which is less than 20.

Preload classes

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

Class
 Code Preload Condition Examples of Application

Light Preload

 Z0 0-0.02C

Certain load direction,low impact, low precision required

Transportation devices, auto-packing machines, X-Y axis for general industrial machines, welding machines, welders

Medium Preload

 ZA 0.05C-0.07C High precision required

Machining centers, Z axis for general industrial,machines, EDM, NC lathes, Precision X-Y tables,measuring equipment

Heavy Preload

 ZB 0.10C-0.12C

High rigidity required, with vibration and impact

Machining centers, grinding machines, NC lathes, horizontal and vertical milling machines, Z axis of machine tools, Heavy cutting machines

 Note: The "C" in the preload column denotes basic dynamic load rating

Class Interchangeable Guideway Non-Interchangeable Guideway

Preload classes

 Z0, ZA Z0,ZA,ZB

 

HGH-CA/HGH-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
HGH 15CA 28 4,3 9,5 34 26 4 26 39,4 61,4 10 4,85 5,3 M4x5 6 7,95 7,7 15 15 7,5 5,3 4,5 60 20 M4x16 11,38 16,97 0,12 0,1 0,1 0,18 1,45
HGH 20CA 30 4,6 12 32 32 6 36 50,5 77,5 12,25 6 12 М5х6 8 6 6 20 17,5 9,5 8,5 6 60 20 М5х16 17,75 27,76 0,27 0,20 0,20 0,30 2,21
HGH 20HA 50 65,2 92,2 12,6 21,18 35,90 0,35 0,35 0,35 0,39
HGH 25CA 40 5,5 12,5 35 35 6,5 35 58 84 16,8 6 12 М6х8 8 10 9 23 22 11 9 7 60 20 М6х20 26,48 36,49 0,42 0,33 0,33 0,51 3,21
HGH 25HA 50 78,6 104,6 19,6 32,75 49,44 0,56 0,57 0,57 0,69
HGH 30CA 45 6 16 40 40 10 40 70 97,4 20,25 6 12 М8х10 8,5 9,5 13,8 28 26 14 12 9 80 20 М6х20 38,74 52,19 0,66 0,53 0,53 0,88 4,47
HGH 30HA 60 93 120,4 21,75 47,27 69,16 0,88 0,92 0,92 1,16
HGH 35CA 55 7,5 18 50 50 10 50 80 112,4 20,6 7 12 М8х12 10,2 16 19,6 34 29 14 12 9 80 20 М8х25 49,52 69,16 1,16 0,81 0,81 1,45 6,30
HGH 35HA 72 105,8 138,2 22,5 60,21 91,63 1,54 1,40 1,40 1,92
HGH 45CA 70 9,5 20,5 60 60 13 60 97 139,4 23 10 12,9 М10х17 16 18,5 30,5 45 38 20 17 14 105 22,5 М12х35 77,57 102,71 1,98 1,55 1,55 2,73 10,41
HGH 45HA 80 128,8 171,2 28,9 94,54 136,46 2,63 2,68 2,68 3,61
HGH 55CA 80 13 23,5 75 75 12,5 75 117,7 166,7 27,35 11 12,9 М12х18 17,5 22 29 53 44 23 20 16 120 30 М14х45 114,44 148,33 3,69 2,64 2,64 4,17 15,08
HGH 55HA 95 155,8 204,8 26,4 139,35 196,20 4,88 4,57 4,57 5,49
HGH 65CA 90 15 31,5 126 76 25 70 144,2 200,2 43,1 14 12,9 М16х20 25 15 15 63 53 26 22 18 150 35 М16х50 163,63 215,33 6,65 4,27 4,27 7 21,18
HGH 65HA 120 203,6 259,6 47,8 208,36 303,13 9,38 7,38 7,38 9,82

 

HGW-CC/HGW-HC

 

Model No.  Dimensions of Assembly
(mm)		 Dimensions of Block (mm) Dimensions of Rail (mm) Mounting
Bolt for
Rail		 Basic
Dynamic
Load
Rating		 Базовая
статич.
нагрузка		 Static Rated
Moment		 Weight
H H1 N W B B1 C L1 L K1 K2 G Mxl T T1 T2 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
HGW 15CC 24 4,3 16 47 38 4,5 30 39,4 61,4 8 4,85 5,3 M5 6 8,9 6,95 3,95 3,7 15 15 7,5 5,3 4,5 60 20 M4x16 11,38 16,97 0,12 0,1 0,1 0,17 1,45
HGW 20CC 30 4,6 21,5 63 53 5 40 50,5 77,5 10,25 6 12 M6 8 10 9,5 6 6 20 17,5 9,5 8,5 6 60 35 M5x16 17,75 27,76 0,27 0,2 0,2 0,4 2,21
HGW 20HC 65,2 92,2 17,6 21,18 35,9 0,35 0,35 0,35 0,52
HGW 25CC 36 5,5 23,5 70 57 6,5 45 58 84 11,8 6 12 M8 8 14 10 6 5 23 22 11 9 7 60 35 M6x20 26,48 36,49 0,42 0,33 0,33 0,59 3,21
HGW 25HC 78,6 104,6 22,1 32,75 49,44 0,56 0,57 0,57 0,8
HGW 30CC 42 6 31 90 72 9 52 70 97,4 14,25 6 12 M10 8,5 16 10 6,5 10,8 28 26 14 12 9 80 35 M8x25 38,74 52,19 0,66 0,53 0,53 1,09 4,47
HGW 30HC 93 120,4 25,75 47,27 69,16 0,88 0,92 0,92 1,44
HGW 35CC 48 7,5 33 100 82 9 62 80 112,4 14,6 7 12 M10 10,1 18 13 9 12,6 34 29 14 12 9 80 35 M8x25 49,52 69,16 1,16 0,81 0,81 1,56 6,3
HGW 35HC 105,8 138,2 27,5 60,21 91,63 1,54 1,4 1,4 2,06
HGW 45CC 60 9,5 37,5 120 100 10 80 97 139,4 13 10 12,9 M12 15,1 22 15 8,5 20,5 45 38 20 17 14 105 35 M12x35 77,57 102,71 1,98 1,55 1,55 2,79 10,41
HGW 45HC 128,8 171,2 28,9 94,54 136,46 2,63 2,68 2,68 3,69
HGW 55CC 70 13 43,5 140 116 12 95 117,7 166,7 17,35 11 12,9 M14 17,5 26,5 17 12 19 53 44 23 20 16 120 35 M14x45 114,44 148,33 3,69 2,64 2,64 4,52 15,08
HGW 55HC 155,8 204,8 36,4 139,35 196,2 4,88 4,57 4,57 5,96
HGW 65CC 90 15 53,5 170 142 14 110 144,2 200,2 23,1 14 12,9 M16 25 37,5 23 15 15 63 53 26 22 18 150 35 M16x50 163,35 215,33 6,65 4,27 4,27 9,17 21,18
HGW 65HC 203,6 259,6 52,8 208,36 303,13 9,38 7,38 7,38 12,89

 

Codes of standard dust proof accessories

Codes of high-dust proof accessories

 

 

Note: 1. The available size for high dust proof accessories are HG20(C/H), 25(C/H), 30(C/H), 35(C/H) and 45C.
2. The value of fricton force will increase 0.6~1.2 kgf.

Codes of ultra-high dust proof accessories

 

Note: 1. The available size for high dust proof accessories are HG15C, HG20(C/H), HG30(C/H), HG35(C/H), HG45(C/H).
2. The value of fricton force will increase 1.5~4.0 kgf.

Standard and maximum rail length

Standard and maximum rail length Hiwin серии HG

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 HG15 HG20 HG25 HG30 HG35 HG45 HG55 HG65
Standard Length L(n) 160(3) 220(4) 220(4) 280(4) 280(4) 570(6) 780(7) 1270(9)
220(4) 280(5) 280(5) 440(6) 440(6) 885(9) 1020(9) 1570(11)
280(5) 340(6) 340(6) 600(8) 600(8) 1200(12) 1260(11) 2020(14)
340(6) 460(8) 460(8) 760(10) 760(10) 1620(16) 1500(13) 2620(18)
460(8) 640(11) 640(11) 1000(13) 1000(13) 2040(20) 1980(17)  
640(11) 820(14) 820(14) 1640(21) 1640(21) 2460(24) 2580(22)  
820(14) 1000(17) 1000(17) 2040(21) 2040(21) 2985(29) 2940(25)  
  1240(21) 1240(21) 2520(32) 2520(32)      
    1600(27) 3000(38) 3000(38)      
Pitch (P) 60 60 60 80 80 105 120 150
Distance to End (Es) 20 20 20 20 20 22,5 30 35
Max. Standard Length 1960(33) 4000(67) 4000(67) 3960(50) 3960(50) 3930(38) 3900(33) 3970(27)
Max. Length 4000 4000 4000 4000 4000 4000 4000 4000

 

Interchangeable type

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

HG - Series

W - Block Type:
W: Flange Type;
H: Square Type;
L: Square Type (Low)3

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

С - Load Type:
С: Heavy Load;
H: Super Heavy Load.

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

E - Special Block 
None: Standard Block

ZA, Z0 - Preload Code

P - Precision Code
(C, H, P)

ZZ -Dust Protection2;
Е2 - Self-Lubricant;
SE - Metallic End Cap

 

Non-interchangeable type

HG - W - 25 - C - A - E - 2 - R - 1600- E - ZA - P - ll + DD/E2/RC

HG - Series

W - Block Type:
W: Flange Type; 
H: Square Type; 
L: Square Type (Low)3

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

С - Load Type: 
С: Heavy Load; 
H: Super Heavy Load.

A - Block Mounting 
A: Mounting From Top; 
B: Bottom; 
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

1600 - Rail Length (mm)

E - Special Rail
None: Standard Rail

ZA, Z0, ZB - Preload Code

P - Precision Code
(C, H, P, SP, UP)

ll - No.of rails per axis set1

DD - Dust Protection;
Е2 - Self-Lubricant;
SE - Metallic End Cap;
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.
3. The carriage of HGL type with a low profile of HGH series, with a height as in HGW series.

Model Number of HG Railа

HG - R - 25 - R - 1200 - E - P + RC

HG - 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 

1200 - Rail Length (mm)

E - Special Rail
None: Standard Rail

P - Precision Code (C,H,P)

RC - Reinforced Cap
Open details in pdf format
Download catalog in zip format

 

Recommended products:


Guideways of MG series
Guideways MG HIWIN's linear guideways of QW series
Guideways QW HIWIN's guideways of QR series
Guideways QR Hiwin's linear guideways of PM series
Guideways PM

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