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Extrusion Mechanism utilizing a linear guide
Product name | Linear Guides for Heavy Load, With Resin Retainer, Interchangeable, Light Preload |
---|---|
Part number | SXWZ28-400 |
Features | With No Mutual Ball Contacts, Resin Retainer provides Low-Noise and Smooth Movements. |
Rail Strength
■Linear Guides for Heavy Load, With Resin Retainer, Interchangeable, Light Preload
Type | Number of Blocks | Material | Hardness |
---|---|---|---|
Standard | 1・2 | Carbon Steel | 58HRC〜 |
Wide Block Through Hole | |||
Wide Block Tapped Hole |
■Sizes and Dimensions
Block Type | Overall Height | Rail Length (Configure in 1 mm increments) | Block Dimension | Rail Width | |||
---|---|---|---|---|---|---|---|
1 blocks | 2 blocks | Width | Length | ||||
1 blocks | 2 blocks | ||||||
Standard | 24 | 100〜1480 | 160~1480 | 34 | 56.8 | 56.8 x 2 pcs. | 15 |
28 | 160〜1960 | 220〜1960 | 42 | 65.2 | 65.2 x 2 pcs. | 20 | |
33 | 160〜1960 | 220〜1960 | 48 | 81.6 | 81.6 x 2pcs. | 23 | |
42 | 200〜1960 | 280〜1960 | 60 | 96.4 | 96.4 x 2pcs. | 28 | |
Wide Block | 24 | 100〜1480 | 160〜1480 | 52 | 56.8 | 56.8 x 2 pcs. | 15 |
28 | 160〜1960 | 220〜1960 | 59 | 65.2 | 65.2 x 2 pcs. | 20 | |
33 | 160〜1960 | 220〜1960 | 73 | 81.6 | 81.6 x 2 pcs. | 23 | |
42 | 200〜1960 | 280〜1960 | 90 | 96.4 | 96.4 x 2 pcs. | 28 |
Linear guide selection steps
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■Preload and Accuracy Standard (Heavy Load Linear Guide With Plastic Retainers, Interchangeable, Light Preload)
(μm)
Radial Clearance | -4~0(H24・28) |
---|---|
-5~0(H33・42) | |
H Dimension Tolerance | ±20 |
Pair variation of H | 15 |
Tolerance of dims. W2 | ±30 |
Pair variation of W2 | 25 |
(μm)
Rail Length (mm) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
-80 | 81-125 | 126-200 | 201-250 | 251-315 | 316-400 | 401-500 | 501-630 | 631-800 | 801-1000 | 1001-1250 | 1251-1600 | 1601-2000 | |
Running Parallelism | 6 | 6.5 | 7 | 8 | 9 | 11 | 12 | 14 | 16 | 18 | 20 | 23 | 26 |
■Rated Load of Linear Guide (Heavy Load Linear Guide With Plastic Retainers, Interchangeable, Light Preload)
Overall Height | Basic Load Rating | Allowable Static Moment | |||
---|---|---|---|---|---|
C (Dynamic) kN | C0 (Static) kN | MA N・m | MB N・m | Mc N・m | |
24 | 7.9 | 15.6 | 74 | 62 | 78 |
28 | 11.1 | 21.8 | 124 | 104 | 149 |
33 | 17.9 | 33.5 | 242 | 203 | 266 |
42 | 27.3 | 50.5 | 415 | 305 | 480 |
Operating Life Calculation for Linear Guides
For linear applications, the rail and ball bearings must have sufficient hardness. If they do not, the load rating decreases and the life will be reduced.
When the temperature of the linear system exceeds 100 degrees C, the hardness will decrease and as a result, the allowable load and life will be reduced.
* Please use linear guides within the resistant temperature range on the product pages.
Table-1. Contact Factor
Number of blocks per rail Contact factor fC
1 | 1.00 |
2 | 0.81 |
3 | 0.72 |
4 | 0.66 |
5 | 0.61 |
In general, it is common to use two or more blocks on one rail. In these cases, the load on each block will vary depending on the machining precision and will not have equally distributed loads. As a result, the allowable load per block will vary depending on the number of blocks used on the rail.
Table-2. Load Factor
Condition of Use | fw |
---|---|
No shocks / vibrations, low speed: 15 m/min. or less | 1.0-1.5 |
No significant shocks / vibrations, medium speed: 60 m/min. or less | 1.5-20 |
With shocks / vibrations, high speed: 60 m/min. or more | 2.0-3.5 |
To calculate the load applied to the linear guides, in addition to the object weight, the inertia force attributed to the motion velocity, moment loads and the variations of each over time must be obtained. However, for reciprocating motion applications, it is difficult to obtain accurate calculations due to effects of the vibrations and shocks. therefor, use Table 2 to simplify the life calculations.
Product name | Floating Joint - Bracket Mounting Type |
---|---|
Part number | FLCL10-1.25 |
Features | Floating Joint can be installed vertically |
Bracket mounting type required for this application
■Floating Joint - Bracket Mounting Type
Part Name | Material | Surface Treatment | |
---|---|---|---|
Main Body | Steel Ball Retainer Plate | Nitrile Rubber | - |
Rod Tip Socket | 1018 Carbon Steel | Trivalent Chromate | |
Cap | 52100 Bearing Steel | ||
Steel Ball Retainer | |||
Ball Holder | |||
Case | Cast Iron Class No. 30 | ||
Thread | 1018 Carbon Steel | ||
Mounting Part | (M8〜M12) | Low Carbon Steel | |
(M14〜M26) | Cast Iron Class No. 30 | Enamel Paint (Blue) |
■Sizes and Dimensions
Thread Dia. - Pitch | Overall Length | Main Body Outer Dia. | Overall Width | Core Height | Allowable Misalignment |
---|---|---|---|---|---|
M8−1.0 | 49.5 | φ30 | 31 | 16 | 0.5 |
M10−1.25 | 61.5 | φ36 | 43 | 19 | 0.75 |
M12−1.5 | |||||
M14−1.5 | 110 | φ51 | 51 | 26 | 1 |
M16−1.5 | |||||
M18−1.5 | 120 | ||||
M22−1.5 | 145 | φ62 | 62 | 32 | 1.5 |
M26−1.5 | 173 | φ69 | 69 | 37 |
In order to move a block, a rail needs to be installed in the block's movement range, but the rail cannot be installed due to the restriction imposed by the workpiece on the transfer table. (The height of the device is limited to 380 mm or less, making it impossible to avoid interference using the vertical space.) To counter this restriction,the block is fixed and the rail moves.
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MISUMI Vietnam Company Limited, Legal Representative: Tomohiro Watanabe,
phone: 0222-361-1555, e-mail: cs@misumi.com.vn, Enterprise Code: 0107514576,
Date of Issuance: 22 July 2016, Place of Issuance: Bac Ninh, Business Certificate No. 6573041568-KD dated 27 September 2016 issued by the People's Committee of Bac Ninh
Công ty TNHH MISUMI Việt Nam, Đại diện theo pháp luật: Tomohiro Watanabe,
Điện thoại: 0222-361-1555, e-mail: cs@misumi.com.vn, Mã số doanh nghiệp: 0107514576,
ngày cấp 22/7/2016, nơi cấp: Bắc Ninh, Giấy phép kinh doanh số: 6573041568-KD ngày cấp 27/9/2016 bởi UBND tỉnh Bắc Ninh
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