K&M KR200 Instruction Manual Download Page 25

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Figure 1-1Names of Each Part of Instruments

1.4 Basic Connection Method

1.4.2 Installation and Removing of Pickup

For installation, hold the main part of pickup with hand, push it into

connection sheath at the bottom of the instrument as shown in Figure 1-2

and then slightly pushed it to the end of the sheath. To remove, hold the

Summary of Contents for KR200

Page 1: ...KR200 SURFACE ROUGHNESS TESTER INSTRUCTION MANUAL K M Instruments Ltd...

Page 2: ...1...

Page 3: ...ENT PRINCIPLE 16 1 2 STANDARD CONFIGURATION 18 1 3 NAMES OF EACH PART OF THE INSTRUMENT 20 1 4 BASIC CONNECTION METHOD 24 1 4 2 Installation and Removing of Pickup 24 1 4 3 Power Adapter and Charging...

Page 4: ...PREPARATION FOR MEASUREMENT 30 2 2 BASIC MEASUREMENT STATUS 34 2 3 MODIFYING CONDITIONS OF MEASUREMENT 46 2 3 1 Sampling Length 47 2 3 2 Evaluation Length 48 2 3 3 Standard 51 2 3 4 Range 53 2 3 5 Fil...

Page 5: ...55 2 4 FUNCTION SETUP 57 2 4 1 Switch to Print Mode to Data Mode 59 2 4 2 Setting the Pair PIN Code 60 2 4 3 Print Parameters 62 2 4 4 Print Parameter and Profile 64 2 4 5 Print Primary File 65 2 4 6...

Page 6: ...5 2 4 7 Calibration 68 2 4 8 Time Setting 71 2 4 9 Delete all data 73 2 4 10 Restore Factory Settings 73 2 5 System Setup 73 2 5 1 Language 74 2 5 2 Unit 75 2 5 3 LCD Back light 77...

Page 7: ...Contrast 78 2 5 5 Bluetooth Power 80 2 5 6 Printing Paper Width 81 2 6 CONNECTION WITH PC 83 3 OPTIONS AND USAGE 84 3 1ADJUSTABLE SUPPORTER AND SHEATH OF PICKUP 84 3 2 MEASUREMENT STAND 86 3 3 EXTEND...

Page 8: ...BASE 91 3 5 CURVED SURFACE PICK UP 93 4 TECHNICAL PARAMETER AND FEATURES 95 4 1 PICKUP 95 4 2 DRIVING PARAMETER 96 4 3 DISPLAY ACCURACY LESS THAN OR EQUAL TO 10 98 4 4 DISPLAY REPEATABILITY LESS THAN...

Page 9: ...OFF LENGTH L 101 4 8 EVALUATION LENGTH LN 101 4 9 ROUGHNESS PARAMETER AND DISPLAY RANGE 102 3 100 104 4 10 MEASURING RANGE AND RESOLUTION 104 4 11 POWER SUPPLY 105 4 12 TEMPERATURE HUMIDITY RANGE 106...

Page 10: ...9 4 14 CONNECT WITH PC 108 4 15 CONNECT WITH PRINTER 108 5 GENERAL MAINTENANCE 109 5 1 TROUBLE SHOOTING 110 5 2 FAULT INFORMATION 111 6 BATTERY SWITCH 114 7 REFERENCE 117 7 1 PROFILE AND FILTER 117...

Page 11: ...filter 119 7 2 2 PC RC filter 120 7 2 3 Gauss Filter 121 7 2 4 D P Direct Profile 122 7 3 DEFINITIONS OF PRSR200 ROUGHNESS PARAMETERS 122 7 3 1 Arithmetical Mean Deviation of Profile 123 7 3 2 Rq Root...

Page 12: ...Profile 128 7 3 5 Ry DIN Maximum Height of Profile 130 7 3 6 Rt Total Peak to valley Height 130 7 3 7 Rp Maximum Depth of Profile Peak 131 7 3 8 Rm Maximum Depth of Profile Valley 131 7 3 9 Sm Mean Sp...

Page 13: ...12 7 3 11 Profile Bearing Length Ratio 136 7 3 12 Skewness of the profile 138 7 3 13 R3z Third Maximum Peak to valley Height 139 8 ATTACHED TABLE DISPLAY MAGNIFYING TIMES 139...

Page 14: ...oped by Time Group Inc This tester applies to production site and can be used to measure surface roughness of various machinery processed parts calculate parameters according to selected measuring con...

Page 15: ...x Sk S Sm tp High accuracy inductance pickup Four filtering methods of RC PC RC GAUSS and D P Compatible with four standards of ISO DIN ANSI and JIS 128 64 dot matrix LCD displays all parameters and g...

Page 16: ...ium ion chargeable battery and control circuit have high capacity without memory effect Consecutive work time is longer than 20 hours Design of mechanical and electrical integration is adopted to achi...

Page 17: ...Automatic switch off memory and various prompt instructions Accessories of curved surface pickup measurement stand sheath of pickup adjustable supporter and extending rod are available 1 1 Measuremen...

Page 18: ...generate analogue signal which is in proportion to surface roughness at output end of phase sensitive rectifier This signal enters data collection system after amplification and level conversion After...

Page 19: ...18 1 2 Standard Configuration Table 1 1Standard Configuration List Item Quantity...

Page 20: ...19 Main Unit 1 Standard Sensor 1 Standard Sample plate 1 Organic Glass Test Support 1 Power Adapter 1 Communication Cable 1 Sheath of Pickup 1 Height Adjustable Supporter 1...

Page 21: ...20 1 3 Names of Each Part of the Instrument...

Page 22: ...21 Figure 1 1 1 Pickup...

Page 23: ...22...

Page 24: ...23 Figure1 1 2 Front View F Fig ure 1 1 3 Side View...

Page 25: ...on Method 1 4 2 Installation and Removing of Pickup For installation hold the main part of pickup with hand push it into connection sheath at the bottom of the instrument as shown in Figure 1 2 and th...

Page 26: ...25 main part of pickup or the root of protective sheath with hand and slowly pull it out...

Page 27: ...pickup is key part of this tester and great attention should be paid to it 2 During installation and unloading the stylus should not be touched in order to avoid damage and affecting measurement 3 Con...

Page 28: ...shown in Figure 1 3 the plug of power adapter should be plugged into power socket of the instrument Power adapter could be connected to power of 220V 50Hz then charging will begin Input voltage for po...

Page 29: ...connection lines shall not affect measuring part under charging state 2 Meanings of battery voltage prompts are indicates normal voltage and measurement can be carried out the black part inside prompt...

Page 30: ...needs to monitor the process of charging so it is not necessary to turn it off The instrument will turn on automatically even it s turned off 4 When the KR200 is delivered the battery switch is off U...

Page 31: ...Operation 2 1 Preparation for Measurement a Switch on to check if battery voltage is normal b Clear the surface of part to be measured c Refer to Figure 2 1 and Figure 2 2 to place the instrument corr...

Page 32: ...31 Figure 2 1 FRONT VIEW...

Page 33: ...32 2 2 SIDE VIEW d Refer to Figure 2 3 trace of the pickup must be vertical to the direction of process line of the measured surface...

Page 34: ...33 Figure 2 3 Measuring Direction...

Page 35: ...urate measurement result please make sure to follow it 2 2 Basic Measurement Status Press and release Power key to switch on The instrument automatically displays model nameand information of manufact...

Page 36: ...35...

Page 37: ...36...

Page 38: ...switch on are factory settings of this instrument Settings and data of last switch off will be displayed in the next switch on Basic measurement status will be entered automatically for each switch o...

Page 39: ...38 In basic measurement status the follows can be performed Measurement Press Start key Start to start measurement as shown in Figure 2 5...

Page 40: ...39 Figure 2 5 Measuring Process Enter menu operation status...

Page 41: ...on see descriptions in corresponding chapters and sections later Display measurement parameters Press Parameter key Ra first to shows all parameter values of this measurement Press Scroll key to scrol...

Page 42: ...hs with other sampling lengths thirdly press Parameter key Ra to displays tp curve and tp value of this measurement Press the keys again will repeat above descriptions Press Esc key in each status to...

Page 43: ...99 6 99 6 99 6 100 um 0 Ra 008 0 25 5mm RAN LTH FIL RC STD ISO Vv 5 l 1 100 c Ry 0 100 tp 80 90 20 25 30 40 Rm Rp Rt Ry Rq Rz Ra um 0 035 0 031 0 008 0 064 0 120 0 072 0 027 um um um um um um l 2 Vv...

Page 44: ...43 Display position of stylus Press Enter key to show the position of stylus in shortcut mode which is easy to use in practical measurement Figure 2 7 Postion of Stylus...

Page 45: ...automatically enter this status while it is turned on again 2 After entering basic measurement status press Start key Start to measure if measuring conditions are not needed to be changed 3 If positio...

Page 46: ...structions in 2 1 Preparation for Measurement adjustment is not needed generally 4 When press R a key to display profile press can change magnifying times which can be 1 2 5 10 20 50 and display circu...

Page 47: ...tatus press Menu key to enter menu operation status Press Scroll key to select setting function of measured conditions and then press Enter key to enter Set Measurement Conditions status In this statu...

Page 48: ...Sampling Length After entered setting status press Scroll key to select Set Sampling Length Press Enter key to cycle with 0 8 mm 2 5mm auto 0 25mm as shown in Figure 2 8 Stop at the value you want and...

Page 49: ...modify others 2 3 2 Evaluation Length Press Menu key to enter menu operation status and press Scroll key to select Set Measurement Conditions Press Enter key to enter Set Measurement and press Scroll...

Page 50: ...49 to select Set n cutoff Press Enter key to cycle with 1L 2L 3L 4L 5L as shown in Figure 2 9 Stop at the value you want and press Scroll key to modify others Figure 2 9...

Page 51: ...50 Instruction When sampling length is set to be automatic evaluation length will automatically display value 5 to match This value can not be modified...

Page 52: ...nu key to enter menu operation status and press Scroll key to select Set Measurement Condition Press Enter key for measurement setting and press Scroll key to select Set Standard Press Enter key to cy...

Page 53: ...52 Table 2 Standard Code and Name Code Standard Name ISO 4287 International Standard DIN 4768 Germany Standard JIS B601 Japan Industrial Standard ASME B46 1 USA Standard...

Page 54: ...key to enter menu operation status and press Scroll key to select Set Measurement Conditions Press Enter key for measurement setting and press Scroll key to select Set Range Press Enter key to cycle...

Page 55: ...54 2 3 5 Filter Press Menu key to enter menu operation status and press Scroll key to select Set Measurement Conditions Press Enter key for measurement setting and press Scroll...

Page 56: ...55 key to select Set Filter Press Enter key to cycle with RC PC RC Gauss D P 2 3 6 Parameter Press Menu key to enter menu operation status and press...

Page 57: ...etting and press Scroll key to select Parameter Press Enter key to cycle with Ra Rz Ry Rq of which five parameters of Ra Rz Ry Rmax Rq are available for ANSI American Standard and DIN German Standard...

Page 58: ...57 2 4 Function Setup Press Menu key to enter menu operation status and press Scroll key to select Function Setup Press Enter key for function setting In function Setup as shown in...

Page 59: ...58 Figure 2 14 modify contents of system settings Figure 2 14...

Page 60: ...with PC mobile etc These two functions are realized in different modes by bluetooth module hence function switch off is needed If the current mode is digital mode the menu display to PRT PRINT mode If...

Page 61: ...60 2 4 2 Setting the Pair PIN Code Setting the pair code is to enhance the applicability of roughness tester for Bluetooth printer and to avoid the limitation of Bluetooth printer manufacture...

Page 62: ...ose function setup Press the enter key to enter function setup and press the scroll key to enter set print pin function Press the enter key to the interface of set print pin Press the enter key to cho...

Page 63: ...62 No 2 4 3 Print Parameters Press Menu key to enter menu operation status and press Scroll key to choose Function Selection Press Enter...

Page 64: ...63 key to enter Function Selection status and press Scroll key to select Print Parameter Press Enter key to print all measurement parameters as shown in Figure 2 19...

Page 65: ...press Scroll key to choose Function Selection Press Enter key to enter Function Selection status and press Scroll key to select Print Parameter and Profile Press Enter key to start printing The conte...

Page 66: ...65 figure 2 4 5 Print Primary File Press Menu key to enter menu operation status and...

Page 67: ...e Function Selection Press Enter key to enter Function Selection status and press Scroll key to select Primary Profile Press Enter key to display Primary Profile i e Direct Profile or Original Profile...

Page 68: ...nu key to enter menu operation status and press Scroll key to choose Function Selection Press Enter key to enter Function Selection status and press Scroll key to select Stylus Position Press Enter ke...

Page 69: ...68 2 4 7 Calibration Press Menu key to enter menu operation status and press Scroll key to choose Function Selection Press Enter key to enter Function Selection status and press Scroll key...

Page 70: ...69 to select Display Value Calibration function Press Enter key to enter Calibration status and press Scroll key to change calibration coefficients Press Enter key to move cursor...

Page 71: ...measuring method to test random sampling plate if measured value exceeds 10 of the value of sampling plate use Display Value Calibration function to calibrate according to the percentage of real devia...

Page 72: ...to be much less than 10 In this case user is suggested not to frequently use Display Value Calibration function 2 4 8 Time Setting Press enter key to enter into menu operation and press the scroll key...

Page 73: ...72 key to choose RTC Setup press the enter key to enter into TIME SETTING Press the scroll key to change the No under the cursor press the enter key to Move cursor circularly...

Page 74: ...ll data 2 4 10 Restore Factory Settings 2 5 System Setup Press Menu key to enter menu operation status and press Scroll key to select System Setup Press Enter key for system setting In System Setup as...

Page 75: ...em settings 2 5 1 Language Press Menu key to enter menu operation status and press Scroll key to select System Setup Press Enter key for system setting and press Scroll key to select Language Press En...

Page 76: ...75 and press to select the language you want Press Enter key to confirm 2 5 2 Unit Press Menu key to enter menu operation status and press...

Page 77: ...76 Scroll key to select System Setup Press Enter key for system setting andpress Scroll key to choose Unit Press Enter key to switch between metric system and British system...

Page 78: ...t Press Menu key to enter menu operation status and press Scroll key to select System Setup Press Enter key for system setting and press Scroll key select LCD Back light On Off Press Enter key to swit...

Page 79: ...78 Tip Press after turn on the TR200 for back light 2 5 4 LCD Contrast Press Menu key to enter menu operation status and press Scroll key to select System Setup Press Enter key...

Page 80: ...79 for system setting and press Scroll key for LCD Brightness Adjustment Press Enter key to enter LCD Brightness Adjustment and press Scroll key to adjust the brightness to satisfactory degree...

Page 81: ...Power Press menu key to enter menu operation then press to choose System Setup press to enter press to choose Bluetooth press to display ON and OFF circularly This menu is mainly on occasion to some d...

Page 82: ...h module which can reduce the power consumption 2 5 6 Printing Paper Width The Bluetooth module of the roughness tester can drive a Bluetooth printer to print testing report in order to enhance the ad...

Page 83: ...and 80m These 2 types of printers can be worked with KR200 perfectly Press menu key to enter menu operation status and press scroll key to choose System Setup Press enter key to enter System Setting...

Page 84: ...y 2 6 Connection with PC Before communicating with PC connect the instrument to serial interface of PC with communication cable attached to the instrument as shown in Figure and enter private operatio...

Page 85: ...and Sheath of Pickup When measured surface of part is smaller than the bottom surface of the instrument sheath of pickup and adjustable supporter of KR200 options can be used for auxiliary support to...

Page 86: ...85 Figure 3 1Usage of Adjustable supporter and Sheath of Pickup...

Page 87: ...ll be reliable 3 2 Measurement Stand PT series measurement Stand can adjust the positions between tester and measured part conveniently with flexible and stable operation and wider application range R...

Page 88: ...87 If Ra value of measured surface is relatively low Using measurement platform is recommended...

Page 89: ...88 Figure 3 2 Testing Platform...

Page 90: ...89 3 3 Extending Rod Extending rod increases the depth for pickup to enter the workpiece Length of extending rod is 50mm...

Page 91: ...90 Figure 3 3 Extension Rod...

Page 92: ...od of Magnetic Gauge Base Connection rod connects the tester with magnetic gauge base so as to measure various surfaces of parts flexibly and easily as shown in figure 3 5 It s particularly suitable f...

Page 93: ...92 Figure 3 5 Test Stand connect with Magnetic Base...

Page 94: ...93 3 5 Curved Surface Pick Up Curved surface pickup can measure convex or concave surfaces of parts as shown in the figure below...

Page 95: ...94 Figure 3 7 Curved Surface Pick up...

Page 96: ...95 4 Technical Parameter and Features 4 1 Pickup Test Principle Inductance type MeasurementRange 160 m Stylus tip Radius 5 m Stylus tip Material Diamond Measuring force 4mN 0 4gf...

Page 97: ...96 Stylus tip Angle 90 Radius of Skid curvature 45mm 4 2 Driving Parameter Maximum drive range 17 5mm 0 7inch Traversing speed measuring...

Page 98: ...97 sampling length 0 25mm Vt 0 135mm s sampling length 0 8mm Vt 0 5mm s sampling length 2 5mm Vt 1mm s returning V 1mm s...

Page 99: ...peatability Less than or equal to 6 4 5 Display Content 4 5 1 Menu modify measurement conditions calibration display value and select communication with PC or printing 4 5 2 Parameter parameters of ro...

Page 100: ...3Graph Primary profile filtered profile and tp curve 4 5 4 Prompt information measurement menu prompt errors battery capacity and switch off prompt information 4 6 Profile and Filter Table 3 Profile...

Page 101: ...100 Filtered Profile RC PC RC Gauss Non Filtered Profile D P...

Page 102: ...101 4 7 Sampling Length and Cut off length L Automatic 0 25mm 0 8mm 2 5mm are selectable 4 8 Evaluation Length ln 1 5 l Sampling Length is selectable...

Page 103: ...102 4 9 Roughness Parameter and Display Range Table 4 Parameter Display Range Ra Rq 0 005 m 16 m...

Page 104: ...103 Rz R3z Ry Rt Rp Rm 0 02 m 160 m Sk 0 100 S 1mm...

Page 105: ...104 Sm tp 3 100 4 10 Measuring Range and Resolution Table 5 Measuring Range Resolution Automatic 0 01 m 0 04 m...

Page 106: ...105 20 m 0 01 m 40 m 0 02 m 80 m 0 04 m 4 11 Power Supply AC adapter Rating 6V 500mA Supply voltage 220V...

Page 107: ...m ion battery Charging time 2 5 hours Consecutive work time per charge more than 20 hours Auto sleep function display turns off if not operated for 5 minutes 4 12 Temperature Humidity Range Working en...

Page 108: ...107 Humidity 90 RH Store and transportation Temperature 40 60 Humidity 90 RH 4 13Dimension and Weight L W H 140 52 48mm Mass approximately 440g...

Page 109: ...4 14 Connect with PC MINI USB cable 4 15 Connect with Printer Connect with PT210 BT bluetooth series printers TA210 printer only prints parameters TA220s can print parameters as well as profile figur...

Page 110: ...ty grease stain and strong magnetic field Pickup is a precise part and should be protected carefully Put it back in the package box after operation of each time Protect standard sample plate provided...

Page 111: ...d in next section Fault Information If troubles still exist please return the instrument to factory for repair Users should not dismantle and repair the device by themselves Returned instrument should...

Page 112: ...able 6 Display Content Cause Solutions Out of Range Maximum value of measured signal exceeds measuring range 1 Press Esc key to return 2 Enter menu setting status increase measuring range press Esc ke...

Page 113: ...asuring 1 Press Esc key to return 2 Check if preparation for measuring is correct 3 Switch on and measure again A D failure Hardware circuit fault Scheme 1 Switch off and switch on again Scheme 2 Pres...

Page 114: ...1 Switch off and switch on again Scheme 2 Press Reset key Scheme 3 Return to factory to repair Pickup failure Pickup is in automatic return process 1 Press Esc key to return and wait till pickup retu...

Page 115: ...rking abnormally 1 Turnoff and then restart 2 switch the battery off then switch the battery on 10 seconds later 6 Battery Switch The battery switch is at the bottom of the instrument as shown in Figu...

Page 116: ...115 Figure 6 1 Power ON and OFF 1 When charging the battery switch must be in the ON position or can not be charged...

Page 117: ...lost Suggesting make a backup before switching off the battery 3 When the instrument is delivered from manufacture the switch off is in the OFF position press the POWER key to turn on if KR200 dose n...

Page 118: ...ce 7 1 Profile and Filter 7 1 1 Profile a primary profile non filtered profile signal obtained by pickup from measured surface b Filtered profile profile signal after primary profile is filtered to re...

Page 119: ...7 1 2 Filter a RC filter analogue 2RC filter with phase difference b PC RC filter RC filter with phase correction c Gauss filter DIN4777 d D P direct profile adopt central line of Least Square Algori...

Page 120: ...119 7 2 Traveling Length 7 2 1 RC filter l l Traversing Length...

Page 121: ...120 7 2 2 PC RC filter l l 2 l 2 Traversing Length...

Page 122: ...121 7 2 3 Gauss Filter l l 2 l 2 Traversing Length...

Page 123: ...122 7 2 4 D P Direct Profile 7 3 Definitions of KR200 Roughness Parameters This section gives definitions of KR200 measurement parameters Traversing Length...

Page 124: ...123 7 3 1 Arithmetical Mean Deviation of Profile Ra is arithmetic mean of the absolute values of profile deviation Yi from mean within sampling length n i i y n Ra 1 1...

Page 125: ...124...

Page 126: ...125 7 3 2 Rq Root mean square Deviation of Profile Rq is the square root of the arithmetic mean of the squares of profile deviation Yi from mean within sampling length 2 1 1 2 1 n i i y n Rq...

Page 127: ...Ten Point Height of Irregularities The sum of the mean height of the five highest profile peaks and the mean depth of the five deepest profile valley from mean within the sampling length 5 5 1 5 1 i i...

Page 128: ...127...

Page 129: ...28 7 3 4 Ry ISO Maximum Height of Profile Ry is The sum of height Rp of the highest profile peak from the mean line and depth Rv of the deepest profile valley from the mean line within sampling length...

Page 130: ...129...

Page 131: ...lue firstly calculate Ryi in each sampling length the maximum of which is the Ry DIN for the evaluation length 7 3 6 Rt Total Peak to valley Height Rt is the sum of the height of the highest peak and...

Page 132: ...Profile Peak Rp is the height from the highest profile peak line to mean line within sampling length 7 3 8 Rm Maximum Depth of Profile Valley Rm is the depth from the deepest profile valley line to me...

Page 133: ...132 7 3 9 Sm Mean Spacing of Profile elements Sm is the mean spacing between profile peaks at the mean line within sampling length n i i Si n Sm 1 1...

Page 134: ...133...

Page 135: ...134 7 3 10 S Mean Spacing of Local Peaks of Profile S is the mean spacing of adjacent local peaks of the profile within sampling length n i i i S n S 1 1...

Page 136: ...135 l...

Page 137: ...136 7 3 11 Profile Bearing Length Ratio The bearing ratio tp is the length of bearing profile at a depth c below the highest peak Tp is the ratio at the depth c l tp p...

Page 138: ...137 n i p b b b 1 y p 4...

Page 139: ...138 7 3 12 Skewness of the profile Sk is the quotient of the mean cube value of the profile deviation Yi and the cube of Rq within sampling length y p 3 y p 5...

Page 140: ...valley Height R3z is the mean of the sum of the third profile peak height and the third profile valley depth of each sampling length over evaluation length 8 AttachedTable DISPLAY MAGNIFYING TIMES Fol...

Page 141: ...140 Times and Screen Display Full Range Double magnification showed that the range is narrowed down one times Adjustment by pressing Magnification times 1 2 5 10 20 50...

Page 142: ...141 Range Displaying range 20 m 20 m 10 m 4 m 2 m 1 m 0 4 m 40 m 40 m 20 m 8 m 4 m 2 m 0 8 m 80 m 80 m 40 m 16 m 8 m 4 m 1 6 m...

Page 143: ...142...

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