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Surtronic 25 

 

User’s Guide

 

 

 
 

K505/125-01 Issue 4

 

 
 

Taylor Hobson Ltd 

PO Box 36, 2 New Star Road, Thurmaston, Leicester 

LE4 9JQ,  England 

Tel44  (0)116 2763 771, Fax +44(0)116 274 1350 

E-mail: [email protected] 

www.taylor-hobson.com 

 

Содержание Surtronic 25

Страница 1: ...r s Guide K505 125 01 Issue 4 Taylor Hobson Ltd POBox 36 2 New Star Road Thurmaston Leicester LE49JQ England Telephone 44 0 116 2763 771 Fax 44 0 116 274 1350 E mail taylor hobson uk ametek com www ta...

Страница 2: ......

Страница 3: ...logy and definitions 1 1 Surface Texture Definitions 1 1 Parameter Definitions 1 3 Ra 1 3 Rp 1 3 RSm 1 3 Rz 1 3 Rz1max 1 3 Rt 1 4 Rmr 1 4 RPc 1 4 Rsk 1 4 Rda 1 5 Chapter 2 Description 2 1 The Equipmen...

Страница 4: ...Getting Started 3 1 Battery 3 1 Connecting the Pick up 3 1 Making a measurement 3 2 Switching the Surtronic 25 ON 3 2 To cancel a measurement 3 4 Using the Surtronic 25 with a PC 3 4 Printing 3 4 To...

Страница 5: ...PC 4 5 SPC Mode 4 5 Language Settings 4 6 Chapter 5 Making Measurements Technical Considerations 5 1 Operating Notes 5 1 On a horizontal surface 5 1 On other surfaces 5 2 Cut off 5 2 Evaluation Length...

Страница 6: ...6 1 Small Bore Pick up 112 2673 6 1 Narrow Gauge Stylus 155 P11610 6 2 Right Angle Pick up 5mm 200min stylus tip radius 112 1505 6 2 Recess pick up 5mm 200min stylus tip radius 112 1506 6 3 Recess pic...

Страница 7: ...6 8 Replica Kit 112 727 6 9 Portable base 137 1734 6 10 Chapter 7 Maintenance 7 1 Calibration 7 1 Reference Standard 7 1 Sensitivity Check and Adjustment 7 1 Pick up with Chisel Edge Stylus 7 2 Clean...

Страница 8: ...Surtronic S25 Page vi...

Страница 9: ...ers can be separated into three basic types Amplitude Spacing and Hybrid Amplitude Parameters are measures of the vertical characteristics of the surface deviations Spacing Parameters are measures of...

Страница 10: ...lengths For the primary profiles the evaluation length is equal to the sample length Note almost all parameters are defined over one sample length however in practice more than one sample length is as...

Страница 11: ...mean value of the individual Rp values for each sample RSm RSm is the mean spacing between profile peaks at the mean line measured within the sampling length A profile peak is the highest point of th...

Страница 12: ...through a selectable band centred about the mean line or a line parallel to it The count is determined only over the evaluation length though the results are given in peaks per cm or per inch Known a...

Страница 13: ...Surtronic S25 Further details are included in the Taylor Hobson booklet A Guide to Surface Texture Parameters Page 1 5...

Страница 14: ...Surtronic S25 Page 1 6...

Страница 15: ...parameters evaluated by this instrument is given in Chapter 1 and in the publication A Guide to Surface Texture Parameters The parameter evaluations and other functions of the instrument are micropro...

Страница 16: ...items described in this handbook are optional and may not form part of your particular system Traverse Unit The top panel of the traverse unit carries a membrane type control panel and a liquid crysta...

Страница 17: ...always starts from the extreme outward position At the end of the measurement the pickup returns to this position ready for the next measurement The traverse length is determined from selections of c...

Страница 18: ...3 it can be turned to angle the pick up or to take it off the centre line as shown in figure 3a It can also be mounted sideways on the drive shaft when the right angle pick up is in use Figure 3 pick...

Страница 19: ...up holder This fits into the crutch of the pick up support and is held in place by a spring plunger A biased holder when used as shown in figure 3 exerts a biasing force on the pick up depending on w...

Страница 20: ...e unit first and then the pick up To connect the pick up to the display traverse unit the pick up has 2 threaded ends with location pins Insert the location pin securely into the Surtronic body and ti...

Страница 21: ...han the roughness spacing This enables it to ride across the surface almost unaffected by the roughness and provide a datum representing the general form of the surface Even so where the waviness is w...

Страница 22: ...iven in the Accessories section of this handbook They differ only in the stylus tip radius the dimensions of the housing or position and the shape of the skid The stylus material in all the pickups is...

Страница 23: ...or in a large bore unscrew the three feet and use them to fasten an optional roll and bore plate to the bottom of the unit make sure that the feet are correctly located within the holes of the plate...

Страница 24: ...Surtronic S25 Page 2 10...

Страница 25: ...rough the slot in the holder It is advisable to connect the lead to the display traverse unit first and then the pick up To connect the pick up to the display traverse unit the pick up has 2 threaded...

Страница 26: ...ernal vibration see also operating notes in Chapter 5 Switching the Surtronic 25 ON Pressing the SCROLL key brings the display on and the previously selected set up is displayed provided power has bee...

Страница 27: ...tings this can be car ried out using the Scroll and Select keys see Chapter 4 for more detail Press the MEASURE button When the measurement is com pleted the pickup returns and the results are display...

Страница 28: ...surement data the message Data Dumping is displayed When the data dump is completed the dump menu still remains active From the displayed menu values of evaluation length and range can be changed and...

Страница 29: ...ncel print Pressing the PRINT key during printout before display has updated to Main menu state stops the printout and Printer cancelled is displayed for 2 seconds The normal update to Main state then...

Страница 30: ...Surtronic S25 Page 3 6...

Страница 31: ...H PARAMETERS RANGE PRINT SETTINGS UNITS FILTER DUMP MODE The Scroll key is used to cycle through these options and the Select key is used to confirm the set up screen required For a chart of default s...

Страница 32: ...will appear on the screen see below Press the Scroll key left to right across the columns then press the Select key for each parameter required multiple selections can be made The Select key is also...

Страница 33: ...mal digits of the percentage then the sign and 3 decimal digits of the offset and then to OK Pressing SELECT will change the sign digit keep pressing SELECT until the required figure is reached Pressi...

Страница 34: ...m 0 01 m 0 1 m Rp 0 01 m 0 1 m 1 0 m Rz 0 01 m 0 1 m 1 0 m Rz1max 0 01 m 0 1 m 1 0 m Rt 0 01 m 0 1 m 1 0 m Rmr 0 1 0 1 0 1 RPc 1 decimal point 1 decimal point 1 decimal point Rsk 0 001 m 0 001 m 0 00...

Страница 35: ...u options will be available EVALUATION LENGTH RANGE UNITS FILTER DUMP MODE All other settings are carried out via the PC SPC Mode If SPC is required this can be switched on by pressing the PRINT AND S...

Страница 36: ...Language Settings The default on the Surtronic 25 is English Language If the user wishes to select other languages press the PRINT AND SCROLL buttons down simultaneously The following warning screen...

Страница 37: ...ct Language Select SPCmode Quit Scroll down the options with and click to select Select Language English Fran ais Deutsch Italiano OK Scroll down the list of languages with and click to select This se...

Страница 38: ...Surtronic S25 Page 4 8...

Страница 39: ...verse unit so that the traverse is made parallel to the surface being measured 4 After a measurement the traverse unit can be removed from the surface as soon as the pick up completes its return strok...

Страница 40: ...the cause correct it and repeat the measurement On other surfaces On a cylindrical surface fit the optional roll and bore plate On a vertical surface If necessary hold the display traverse unit by han...

Страница 41: ...the following should be used to determine the cut off c ISO4288 1996 Recommended Cut off ISO 4288 1996 Periodic Profiles Non periodic Profiles Cut offs Sampling Length Evaluation Length Spacing Distan...

Страница 42: ...n front of a measured value due to excessive slew rate for a single data point large spike May also occur if the pick up is lifted off the surface Data transmit error Printer connected at start of tra...

Страница 43: ...essing PRINT key when printer not connected connected or no computer connected to receive dump data Printing pressing PRINT key during data transmission to cancelled printer stop printing Message disp...

Страница 44: ...i cad only 110 240V THP No 112 1591 50 60Hz Traverse Speed 1mm sec Measurement metric inch units Cut off values 0 25mm 0 8mm and 2 5mm 0 01in 0 03in and 0 1in Traverse lengths 0 25 25mm 0 05 0 98in Di...

Страница 45: ...instrument 5V logic When connected to Ground constant power is on RS232 Output Printer Configuration Is SPC is on then Baud rate 4800 Baud Parity Even Data bit length 7 bits Printer head disabled If S...

Страница 46: ...ing format is used for data dump from Surtronic 25 to a PC Transmission set up is as follows Baud rate 9600 Baud Number of data bits 8 Start bit 1 Stop bit 1 Parity None Resolution Horizontal Vertical...

Страница 47: ...spacing Number of data values per mm 1 byte First data value Resolution 10nm 1 byte Diff data value Difference between this and the previous data value 80 Stop byte 2 stop bytes are sent 80 Stop byte...

Страница 48: ...Surtronic S25 Page 5 10...

Страница 49: ...mall bores on narrow surfaces and in grooves or with the skid supported independently of the surface being measured On this pick up the skid is integral with the stylus arm housing and is set further...

Страница 50: ...is set at right angles to its normal position Figure 10 The right angle pickup It is particular useful in grooves or slots where the lay of the surface texture makes it unsuitable for measurement wit...

Страница 51: ...piece Recess pick up 5 m 200 in stylus tip radius 112 1506 This pick up has an extended stylus and skid for measuring at the bottom of a recess or between shoulders and flanges up to 5 7mm deep A spec...

Страница 52: ...ius Chisel edge pick up 112 1524 For measuring along a sharp edge or a wire which cannot be traversed with a normal stylus The pick up has a rotatable square skid Not for use on flat surfaces Figure 1...

Страница 53: ...cular to the surface when the pick up is viewed from the end This is particularly necessary when the pick up is used on a concave surface such as a bore but owing to the form of the skid this conditio...

Страница 54: ...an be clamped to the pick up body to enable the Datum Support Stand to be used with the standard recess right angle and chisel edge stylus pick ups The normal skid should be removed by undoing the sma...

Страница 55: ...the traverse unit and remove the pick up from the traverse unit carriage 2 Remove the lead from the pick up 3 Carefully locate the central pin of the extension rod with the hole in the pick up and scr...

Страница 56: ...nter comprises 1 portable printer 112 3469 01 1 paper roll 112 1527 1 interconnecting cable 112 3471 01 1 charger part of 112 3469 01 The connector is a 9 way D type socket The interfacing cable for t...

Страница 57: ...ructions are included with the kit but briefly the procedure is as follows An area not exceeding 400mm is enclosed by a thin wall of the plasticine provided The solution is then poured onto the area a...

Страница 58: ...Surtronic S25 Page 6 10...

Страница 59: ...and adjusting the pick up sensitivity is as follows for the chisel edge stylus type see the note at the end of this section 1 Place the reference specimen on a flat surface and set up the instrument t...

Страница 60: ...moistened with a proprietary cleaning agent Pick up Skid To reduce the effect of wear on pick ups with a rotatable skid occasionally turn the skid round to present a new contact surface The skid is c...

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