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The guides of the transfer conveyor can be changed continuously.
Product name | Tensioner Units |
---|---|
Part number | TNSR10-Y28-F10 |
Features | Tensioner unit easy to assemble. Can be used by chain or belt drive. |
Utilizing a commercially available part diminishes design time.
■Tensioner Units
Material | Surface Treatment | |||
---|---|---|---|---|
Fixing Plate | Tension Pin | Slide Plate | Tension Block | |
1018 Carbon Steel-D | 1045 Carbon Steel | 1045 Carbon Steel (precision casting) | 1018 Carbon Steel-D | Black Oxide |
Electroless Nickel Plating |
■Sizes and Dimensions
Tension Pin Shaft Dia. | 1mm Increments | Stroke | A | B | T | J | Z | |
---|---|---|---|---|---|---|---|---|
Y | F | |||||||
10 | 10~50 | 8~50 | 25 | 120 | 50 | 6 | 24 | 21 |
12 | ||||||||
15 | 12~60 | 10~50 | 25 | 125 | 55 | 9 | 31 | 29 |
17 | 30 | 140 | 60 | 30 | ||||
20 |
Product name | Flanged Idlers with Teeth - P2M / P3M / P5M / P8M / 2GT / 3GT / 5GT / 8YU |
---|---|
Part number | AGTF24GT5120 |
Features | Can be used as the tension adjuster for timing belts or as the pulley on the driven side. |
Select commercially available item because it simplifies the design.
■Flanged Idlers with Teeth - P2M / P3M / P5M / P8M / 2GT / 3GT / 5GT / 8YU
Type | Material | Surface Treatment | |||
---|---|---|---|---|---|
Center Bearing | Both Sides Bearing | Main Body | Flange | Bearing | |
○ | ○ | 2017 Aluminum Alloy | 5052 Aluminum Alloy | Steel | Clear Anodize |
- | - | Hard Clear Anodize | |||
○ | ○ | 1045 Carbon Steel | Low Carbon Steel | Black Oxide |
■Sizes and Dimensions
Number of Teeth | Applicable Belt | Shaft Dia. | Standard Circle Dia. | O.D. | Tooth Width |
---|---|---|---|---|---|
40 | GT2060 | 6 | 25.46 | 24.96 | 30 |
GT2090 | 6 | ||||
30 | GT3060 | 6 | 28.65 | 27.89 | 32 |
GT3090 | 6 | ||||
20 | GT5090 | 8 | 31.83 | 30.69 | 35 |
GT5120 | 8 | ||||
24 | GT5090 | 10 | 38.20 | 37.06 | 42 |
GT5120 | 10 | ||||
28 | GT5090 | 10 | 44.56 | 43.42 | 48 |
GT5120 | 10 | ||||
30 | GT5090 | 12 | 47.75 | 46.61 | 51 |
GT5120 | 12 | ||||
20 | YU8150 | 20 | 50.93 | 49.56 | 62 |
YU8200 | 20 | ||||
30 | YU8150 | 25 | 76.39 | 75.02 | 85 |
YU8200 | 25 | ||||
YU8250 | 25 |
Select a Lead screw with both left and right hand threading.
■Lead Screws - Both Ends Stepped
Material | Surface Treatment | Compatible Lead Screw Nut | |
---|---|---|---|
Type | Material | ||
1045 Carbon Steel | − | Right / Left-hand Thread | Brass |
Black Oxide | |||
Low Temp. Black Chrome Plating | |||
303 Stainless Steel | − |
■Sizes and Dimensions
Screw Shaft Nominal | Pitch | Overall Length 1mm Increments |
---|---|---|
14 | 3 | 80〜1000 |
16 | 100〜1200 | |
18 | 4 | 150〜1200 |
20 | ||
22 | 5 | |
25 | ||
28 | ||
32 | 6 | 200〜1200 |
■Lead Screw: Screw Shaft Runout Tolerance (Max.)
(mm)
Shaft Dia. | Screw Shaft Length | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
-125 | 126 -200 | 201 -315 | 316 -400 | 401 -500 | 501 -630 | 631 -800 | 801 -1000 | 1001- 1250 | 1251- 1600 | 1601- 2000 | |
φ8 | 0.1 | 0.14 | 0.21 | 0.27 | 0.35 | - | - | - | - | - | - |
φ10-12 | 0.09 | 0.12 | 0.16 | 0.21 | 0.27 | 0.35 | 0.46 | 0.58 | - | - | - |
φ14 | 0.09 | 0.11 | 0.13 | 0.16 | 0.2 | 0.25 | 0.32 | 0.42 | - | - | - |
φ16 | 0.09 | 0.11 | 0.13 | 0.16 | 0.2 | 0.25 | 0.32 | 0.42 | 0.55 | 0.73 | 1 |
φ18-20 | - | 0.11 | 0.13 | 0.16 | 0.2 | 0.25 | 0.32 | 0.42 | 0.55 | 0.73 | 1 |
φ22-32 | - | 0.09 | 0.11 | 0.13 | 0.16 | 0.19 | 0.23 | 0.3 | 0.38 | 0.5 | 0.69 |
φ36-50 | - | 0.11 | 0.11 | 0.11 | 0.13 | 0.15 | 0.17 | 0.22 | 0.27 | 0.34 | 0.46 |
■Lead Screw Accuracy Standards
Item | Content |
---|---|
Allowable Dimension and Tolerance | JISB0217 0218 |
Screw Accuracy | 7e Class |
Nut Accuracy | 7H Class |
Single Pitch Error | ±0.02 |
Accumulated Pitch Error | ±0.15/300mm |
Length Tolerance | JISB0405 (medium class) |
Screw Shaft End DIA. Tolerance | h7 |
■Lead Screw and Lead Screw Nut Selection Steps
Calculate Contact Pressure P and Sliding Velocity V based on conditions of use to check that no abnormal wear will occur.
Plot the calculated P and V values against the PV value graph and confirm the intersection.
If the intersection falls inside of line (1) and (2), it is determined that abnormal wear would not occur
Determine Conditions of Use
↓
Lead Screw and Lead Screw Nut Temporary Selection
↓
(1) Contact surface pressure P, (2) Sliding speed V calculations
Verify that the value is within (1) and (2) of the PV value graph
↓
Calculate Screw Efficiency η and Load Torque T
(axial load, rotational speed)
(lead screw and lead screw nut material)
↑
(If not good)
PV Value Graph
(1) Contact Surface Pressure P (N/mm²)
(2) Sliding Speed V (m/min)
(3) Screw Efficiency η
Thread Shaft | Nuts for Lead Screws | Dynamic Friction Coefficient μ |
---|---|---|
Steel (lubrication) | Brass | 0.21 |
Steel (non-lubrication) | Polyacetal/ PPS Resin with Sliding Property | 0.13 |
(4) Load Torque (N・cm)
The guides are moved to any width by rotating the left and right screws with a motor.
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