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Chapter 11 FXYBX/SXYBX
5)Move the slider by hand so that the distance between the slider end face and base block end face is 150mm. Apply a load at the L = 115mm position from the base block end for the FXYBX
150mm150mm
L
6)Temporarily tighten the belt stay installation bolt. If the deflection is within the range shown in Table
Table
Model | Load (N) | Load (kgf) | Deflection(mm) |
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FXYBX | 4.9 to 5.9 | 0.5 to 0.6 | 2 |
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FXYBX | 5.9 to 6.9 | 0.6 to 0.7 | 2 |
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SXYBX | 5.9 to 6.9 | 0.6 to 0.7 | 2 |
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7)Tighten the belt stay installation bolt, and remove the belt tension adjustment bolt.
8)Refer to “Chapter 11 6. Installing the Cover”, and install the upper cover. Finally, install the end cover.
Reference
(Adjusting the drive belt tension with a tension meter)
Use of a belt tension gauge is recommended to obtain more accurate measure- ments.
Recommended tension meter U-505 (UNITTA)
Measurement method
In step 5) of the adjustment of the drive belt tension, pull the belt at the position where the load is applied, and adjust to the following values.
Refer to the instruction manual enclosed with each measuring instrument for details on using the belt tension gauge.
Model | Tension | Frequency | Span length | Belt width | Unit weight | |
(N) | (Hz) | (mm) | (mm) | (g/mm width⋅m length) | ||
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FXYBX | 127 to 147 | 86 to 93 | 230 | 20 | 4.0 | |
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FXYBX | 127 to 147 | 117 to 126 | 170 | 20 | 4.0 | |
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SXYBX | 169 to 188 | 79 to 84 | 258 | 25 | 4.0 | |
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