Shaft
1.What is Linear shaft?
Automated production is the trend nowadays, and shaft play an important role in the equipment components industry.
Also known as guide shafts, shaft used for a wide range of applications, and Can be applied to different needs.
Common materials include SUJ2 and SUS440C; various surface treatments are also available, such as hard chrome plating and low temperature black chrome.
2.Linear shaft type
| Type | Spanner slot | Retracting slot | Inner thread | External screw teeth | Model |
|---|---|---|---|---|---|
| Straight type | HFP001 | ||||
| Grooved type with buckle ring | HFP002 | ||||
| One outer thread of the same diameter type | √ | HFP003 | |||
| Outer thread at both ends of same diameter type | √ | HFP004 | |||
| One end Inner thread type | √ | HFP005 | |||
| Inner thread with spanner slot at one end type | √ | HFP006 | |||
| Outer thread type at one end | √ | HFP007 | |||
| Outer thread with spanner slot at one end type | √ | √ | HFP008 | ||
| Outer thread with groove at one end type | √ | √ | HFP009 | ||
| One outer thread with Retracting and spanner slot type | √ | √ | √ | HFP010 | |
| Inner thread at both ends type | √ | HFP011 | |||
| Inner thread with spanner slot at both ends type | √ | √ | HFP012 | ||
| Outer thread at both ends type | √ | HFP013 | |||
| Outer thread with spanner slot at both ends type | √ | √ | HFP014 | ||
| Outer thread with Retracting and spanner slot at both ends type | √ | √ | HFP015 | ||
| Innerl and outerl thread type | √ | √ | √ | HFP016 | |
| Inner and outerl thread with spanner slot type | √ | √ | HFP017 | ||
| Inner and outer thread with Retracting slot type | √ | √ | √ | HFP018 | |
| Inner and outer thread with Retracting and spanner slot type | √ | √ | √ | HFP019 | |
| One stage inner thread type | √ | √ | √ | √ | HFP020 |
| One stage inner thread with spanner slot type | √ | HFP021 | |||
| One stage with two inner threads type | √ | √ | HFP022 | ||
| One stage two inner thread with spanner slot type | √ | HFP023 | |||
| One stage outer thread thread type | √ | √ | HFP024 | ||
| One stage inner and outer thread type | √ | HFP025 | |||
| Two stages type | √ | √ | HFP026 | ||
| Two stages two inner and outer thread type | HFP027 | ||||
| Inner thread at one end with Tapered type | √ | HFP028 | |||
| Outer thread at one end with Tapered type | √ | HFP029 | |||
| One stage Inner thread with Tapered type | √ | HFP030 | |||
| Outer threads with Retracting slots at both ends | √ | HFP031 |
3.Linear shaft Application
When used for linear motion, they are often combined with linear bearings, holder for shaft, oil-free bushings, etc. Their main function is guidance,
Which improves the accuracy and loading capacity of linear motion.When used as a shaft for rotational purposes, it is mainly combined with bearings, timing pulleys and couplings;when used as a support strut, it is mainly combined with Column fixing clips, holder for shaft and locating Rings.
| Application | Matching Parts | ||
|---|---|---|---|
| For linear motion |  |
 |
 |
| Linear Bearings | Holder for shaft and locating Rings. | Oil-free bushings | |
| For rotary shafts |  |
 |
 |
| Bearings | Timing pulley | couplings | |
| For support strut |  |
 |
 |
| Column fixing clips | holder for shaft | locating Rings | |
>Straight line motion applications
| Medium precision | |||
|---|---|---|---|
| ①Vertical Direction |  |
①Horizontal direction |  |
| ②Long distance | ②Long distance | ||
| ③Low frequency | ③Low frequency | ||
| ④Low speed | ④High speed | ||
| Tube type |  |
Oil-free bushing |  |
|---|---|---|---|
| Wiring can be hided in the tube | Tolerance f8, unheat treated shaft with oil-free bushings |
4.Accuracy benchmark
| D(mm) | circularity(μm) |
|---|---|
| <13 | 0.004 |
| <20 | 0.005 |
| <30 | 0.006 |
| D(mm) | depth of hardening(mm) | |
|---|---|---|
| SUJ2 | SUS440C | |
| <10 | 0.5 | 0.5 |
| <13 | 0.7 | 0.5 |
| <20 | 0.7 | 0.7 |
| <25 | 1.0 | 0.7 |
| L(mm) | Tolerance(mm) |
|---|---|
| <6 | ±0.1 |
| <30 | ±0.2 |
| <120 | ±0.3 |
| <400 | ±0.5 |
| <1000 | ±0.8 |
| <1500 | ±1.2 |
5.Application areas
Shaft can be found in a wide range of industrial applications, including semiconductors, equipment, machinery, automotive, testing and communications equipment, etc.
As automation becomes a trend in all industries, the demand for related equipment components and applications will continue to grow in the future.
6.Type of chase processing
A wide range of processing types can be selected to meet different usage situations.
>Chase Processing Services Type |
 |
 |
| length tolerance change | Single or doible Spanner slot processing | Single or double flat processing |
 |
 |
 |
| Single 90 Angles flat or double 90 Angles flat | Single V-groove or double V-groove processing | Single or double keyway processing |
7.How to choose the right linear shaft?
Step1 Determine your conditions of use and purpose
Step2 Choose the right size (diameter, length, etc.)
Step3 Check if there are any other processing requirements
