Helical Rack Gears - L Configurable (One End Machined)
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Features: Helical rack gears have a higher contact ratio than straight rack gears, resulting in superior transmission accuracy and quieter operation.
The 19° 31' 42" helical angle has a CP (circular pitch) front surface pitch, which makes it easy to design and position.
The helical rack gear is becoming the world standard in helical angles, mainly in Europe.
The 19° 31' 42" helical angle has a CP (circular pitch) front surface pitch, which makes it easy to design and position.
The helical rack gear is becoming the world standard in helical angles, mainly in Europe.
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- Drawing / Specifications
- 3D Preview 3D preview is available after complete configuration
- Part Numbers
Hole Machining N: No Hole Machining
Hole Machining N: No Hole Machining
Hole Machining HT: Back Tapped
Hole Machining HT: Back Tapped
Hole Machining ST: Side Tapped
Hole Machining ST: Side Tapped
Hole Machining Z: Side Counterbored
Hole Machining Z: Side Counterbored
| ■ Hole Position Configurable Type (Number of Holes is up to 4) | ■ Number of Holes Configurable Type | |||||
|  |  | ||||
Enlarged View of End Face
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| [ ! ] Up to four holes (A to D) can be specified. [ ! ]A+B+C+D ≤ L－20 | [ ! ] F = L－B× (K－1)2 ≥ 20 | |||||
| Type | [M] Material | [S] Surface Treatment | |
| Hole Position Configurable Type | Number of Holes Configurable Type | ||
| HRGEAL | HLRGEA | EN 1.1191 Equiv. | Black Oxide |
Specification Table
| Part Number | — | L | — | Hole Machining | — | Hole Position (First) | — | Hole Position (Second) | — | Hole Position (Third) |
| HRGEAL1.0 | — | 450 | — | HT | — | A50 | — | B150 | — | C150 |
| Part Number | — | L | — | Hole Machining | — | K (Number of Holes) | — | B (Hole Pitch) |
| HLRGEA1.0 | — | 380 | — | ST | — | K6 | — | B40 |
Accuracy: Accumulated Pitch Error (Unit: µm)
| Module | |||
| 0.5 | 1.0 to 1.5 | 2.0 to 2.5 | 3.0 |
| 110 | 115 | 120 | 130 |
■ Hole Position Configurable Type (Number of Holes is up to 4)
■ Number of Holes Configurable Type
| Part Number | Overall Length L Unit: mm | Hole Machining | Hole Position ABCD Unit: mm | P (Front Surface Pitch) | W | H | h | M (Coarse) | d1 | d2 | Z1 | |
| Type | Module | |||||||||||
| HRGEAL | 1.0 | 20 to 980 | N (No Hole Machining) HT (Back Tapped) ST (Side Tapped) Z (Side Counterbored) | 20 to 960 | 3.333 | 10 | 15 | 14 | M3 | 3.5 | 6.5 | 3.5 |
| 1.5 | 5 | 15 | 20 | 18.5 | M4 | 4.5 | 8 | 4.5 | ||||
| 2.0 | 6.667 | 20 | 25 | 23 | M5 | 5.5 | 9.5 | 5.5 | ||||
| 2.5 | 8.333 | 25 | 30 | 27.5 | M6 | 6.5 | 11 | 6.5 | ||||
| 3.0 | 10 | 30 | 35 | 32 | M8 | 9.0 | 14 | 9.0 | ||||
■ Number of Holes Configurable Type
| Part Number | Overall Length L Unit: mm | Hole Machining | K (Number of Holes) | B (Hole Pitch) Unit: mm | P (Front Surface Pitch) | W | H | h | M (Coarse) | d1 | d2 | Z1 | |
| Type | Module | ||||||||||||
| HLRGEA | 1.0 | 20 to 980 | N (No Hole Machining) HT (Back Tapped) ST (Side Tapped) Z (Side Counterbored) | 2 to 10 | 25 to 470 | 3.333 | 10 | 15 | 14 | M3 | 3.5 | 6.5 | 3.5 |
| 1.5 | 5 | 15 | 20 | 18.5 | M4 | 4.5 | 8 | 4.5 | |||||
| 2.0 | 6.667 | 20 | 25 | 23 | M5 | 5.5 | 9.5 | 5.5 | |||||
| 2.5 | 8.333 | 25 | 30 | 27.5 | M6 | 6.5 | 11 | 6.5 | |||||
| 3.0 | 10 | 30 | 35 | 32 | M8 | 9.0 | 14 | 9.0 | |||||
Alterations
| Alterations | Tapped Hole Dimension Change | |||||||||||||
| Code | TPC | |||||||||||||
| Spec. | Changes the tapped hole dimension. Ordering Code TPC4
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| Part Number | Minimum order quantity | Volume Discount | Module | Length L (mm) | Tooth Width W (or D) (mm) | Rack Height (mm) | Hole Machining | |
|---|---|---|---|---|---|---|---|---|
| 1 | 7 Days | 1 | 20 ～ 980 | 10 | 15 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) | ||
| 1 | 7 Days | 1.5 | 20 ～ 980 | 15 | 20 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) | ||
| 1 | 7 Days | 2 | 20 ～ 980 | 20 | 25 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) | ||
| 1 | 7 Days | 2,5 | 20 ～ 980 | 25 | 30 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) | ||
| 1 | 7 Days | 3 | 20 ～ 980 | 30 | 35 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) | ||
| 1 | 7 Days | 1 | 20 ～ 980 | 10 | 15 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) | ||
| 1 | 7 Days | 1.5 | 20 ～ 980 | 15 | 20 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) | ||
| 1 | 7 Days | 2 | 20 ～ 980 | 20 | 25 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) | ||
| 1 | 7 Days | 2,5 | 20 ～ 980 | 25 | 30 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) | ||
| 1 | 7 Days | 3 | 20 ～ 980 | 30 | 35 | HT (Back Tapped) / N (No Hole Machining) / ST (Side Tapped) / Z (Side Counterbored) |
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Basic information
| Tooth Type | Helical | Environmentally friendly | RoHS Compliant (10 Substances) | Shape | Rack Gears |
|---|---|---|---|---|---|
| Characteristics/Applications | Not Applicable | Material | EN 1.1191 Equiv. | Heat Treatment | Not Provided |
| Ground Tooth | Not Provided | Surface Treatment | Black Oxide | Material Details | EN 1.1191 Equiv. |
| End Face Machining | One End Machined |
Configure
Basic Attributes
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Module
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Length L(mm)
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Tooth Width W (or D)(mm)
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Hole Machining
- HT (Back Tapped)
- N (No Hole Machining)
- ST (Side Tapped)
- Z (Side Counterbored)
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Type
- HLRGEA (Number of Holes Configurable Type)
- HRGEAL (Hole Position Configurable Type)
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Optional Attributes
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