Bosch PIN8 N1 Průvodce řešením problémů stáhnout pdf (Strana 499)

100

101

MPH-02, MPB-02, MPD-02 Drive Functions 8-67

DOK-INDRV*-MP*-02VRS**-FK01-EN-P

mmmm

mmmmmmmm

b 034620.0

13850

5.479

)0.185(

16025*3

025.3*0.185

16025*005.0

−=

−

Fig. 8-60: Auxiliary equation 2

x 83.58

0005884.0

)034620.0(

0 =

−−

Fig. 8-61: Reference position

In order to be able to determine the reference position as exactly as

possible, several series of measurements should be recorded at different

temperatures for position-dependent temperature correction.

The resulting reference position is determined by the arithmetical mean of

the calculated reference positions.

The value for P-0-0406, Axis correction temperature factor pos.-

dependent is determined

• by means of the data of the mechanical transmission elements

- or -

• by means of series of measurements for actual position value error at

different temperatures at an identical axis position.

To determine the position-dependent temperature factor it is necessary to

record a series of measurements of correction values at different

temperatures, at least at one position that clearly differs from the

reference position.

Depending on the temperature difference, a straight line can be

approximated through the measuring points.

correction value x

temperature

difference (∆T)

(∆T

)

(∆T

)

(∆T

)

∆T

: correction value (measured position value – actual position value

(S-0-0051/S-0-0053))

∆T

: temperature difference

(measured temperature – reference temperature (P-0-0402))

Fig. 8-62: Approximated straight correction line on the basis of measured

correction values at different ∆T with identical actual position

Position-Dependent

Temperature Factor

Temperature Factor by Means of

Series of Measurements

1 2 ... 494 495 496 497 498 499 500 501 502 503 504 ... 727 728

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