溫度與尺寸變化實驗項目書

?項目編號：RGKJ項目編號：技術(shù)改進項目書項目名稱：工件隨溫度變化實驗項目負(fù)責(zé)人： 立項時間： 2015年3月10日大連瑞谷科技有限公司項目名稱 工件隨溫度變化實驗項目來源（現(xiàn)狀、存在的主要問題）由于環(huán)境溫差大，造成工件尺寸變化過大，為此我和王超用了十幾天時間測量十組產(chǎn)品，對其不同時間段，不同環(huán)境溫度，工件溫度，對應(yīng)工件尺寸進行了測量，并統(tǒng)計得出結(jié)論實驗內(nèi)容由3月12日開始，每天去車間兩趟測量，固定3到5個打廢工件作為實驗工件，工件的溫度測量用紅外線檢測儀測量，環(huán)境溫度用車間固定的溫度計為標(biāo)準(zhǔn)，測量工件取固定測量位置，由此得出溫度工件尺寸隨溫度變化統(tǒng)計表。工件尺寸隨溫度變化統(tǒng)計表，內(nèi)容見副本一（工件尺寸隨溫度變化統(tǒng)計表）為了更直觀的分析測量結(jié)果，制作出折線圖，內(nèi)容見副本2（工件隨溫度變化尺寸折線圖）

結(jié)論已知我公司84#黃銅其線性膨脹系數(shù)是15X10-6/°C溫度影響變形量公式為AL二a*AT*LT 1（△L為變形量，a為材料線性膨脹系數(shù)，△_!為溫度變化量，L為材料仕溫T 1度沒改變時的尺寸）由此公式我列出下表1.1（材料變化尺寸與溫度差對照表）在溫差變化-20°到20°的時候，其相應(yīng)的線性膨脹值材料變化尺寸與溫度差對照表溫度差r2°3。6°7°官9。10°1000.00150.0030.00450.0060.00750.0090.01050.0120.01350.015單IYitlitl2000.0030.0060.0090.0120.0150.0180.0210.0240.0270.033000.00450.0090.01350.0180.02250.0270.03150.0360.04050.0454000.0060.0120.0180.0240.030.0360.0420.0480.0540.065000.00750.0150.02250.030.03750.0450.05250.060.06750.0756000.0090.0180.0270.0360.0450.0540.0630.0720.0810.097000.01050.0210.03150.0420.05250.0630.07350.0840.09450.1058000.0120.0240.0360.0480.060.0720.0840.0960.1080.129000.01350.0270.04050.0540.06750.0810.09450.1080.12150.13510000.0150.030.0450.060.0750.090.1050.120.1350.15材料變化尺寸與溫度差對照表度差ir12°13°14°15°16°17°18°19°20°1000.01650.0180.01950.0210.02250.0240.02550.0270.02850.03單位JTLJTL2000.0330.0360.0390.0420.0450.0480.0510.0540.0570.063001.04950.0540.05850.0630.06750.0720.07650.0810.08550.094000.0660.0720.07S0.0840.090.0960.1020.10S0.1140.125000.08250.090.09750.1050.11250.120.12750.1350.14250.156000.0990.1080.1170.1260.1350.1440.1530.1620.1710.187000.11550.1260.13650.1470.15750.1680.17850.1B90.19950.21B000.1320.1440.1560.1680.180.1920.2040.2160.2280.249000.14B50.1621.17550.1890.20250?2160.22950.2430.25650.2710000.1650.180.1950.210.2250.240.2550.270.2850.3

材料變化尺寸與溫度差對照表尺寸-2"￡-4°-5a-6D-r-eD1/1D0-0.'O'「00s-0.-C.:心-0.：07--o.r-0,0105-o.r-0.0135-0."H2DO-0,003-0.006-0,009-0.012-0.015-0.018-0.021-0.0器-0.027-0,D33DO-0.■r00s-0.-c.NF：-o. --0.027-6.C"1--0.50<r-o.--IH4DO-0,006-乩012-0,018-0.024-0.03-0.036-0.042-0.048-0.054-0,D65DO-0.OOT5-乩015-0,0225-0.0B-0,0375-0.045-0.0525-0,D6-0.0675-0.0756DO-0,009-乩018一a027-0.036-0.04：5-0.05+-0.063-0.072-0.081-0,D97DO-0.0105-乩021-0,DS15-0.042-0.0525-0.063-0,0735-0.08+-0.0945-0.1058DO-0.'-2f「l-0,036HF：OF.-0.7朋I-0-W-o.loa-0.129DO-0.0135-Cl027-0.0405-0.054-0,0675-0.0B1-00945-0.108-0.1215-0.1851：訕-0.■:-Fl-0.03-6.c■:n-0.06-0.075-0.105-0.12-0.135-0.1H也悖mi材料變化尺寸與溫度差對照表溫度差尺懇\-ir-12°-13°-ir-燈-16°-17°-is4-19°-20°100-0.0165-0.018-0.0195-0.021-0.0225-0.024-0.0255-0.027-0.0285-0.03200-0.033-0.036-0.039-0.042-0.045-0.048-0.051-0.054-0.057-0.06300-0.0495-0.054-0.0585-0.063-0.0675-0.072-0.0765-0.0S1-0.0855-0.09400-0.066-0.072-0.078-0.0B4-0.09-0.096-0.102-0.108-0.114-0.12500-0.0825-0.09-0.0975-0.105-0.1125-0.12-0.1275-0.135-0.1425-0.15600-0.099-0.108-0.117-0.126-0.135-0.144-0.153-0.162-0.171-0.18700-0.1155-0.126-0.1365-0.147-0.1575-0.168-0.1785-0.189-0.1995-0.21800-0.132-0.144-0.156-0.168-0.18-0.192-0.204-0.216-0.228-0.24900-0.1485-0.162-0.1755-0.189-0.2025-0.216-0.2295-0.243-0.2565-0.271000-0.165-0.18-0.195-0.21-0.225-0.24-0.255-0.27-0.285-0.3單彳立ITLITL表1.1中顯示，固定尺寸的工件每改變1攝氏度，每100mm的工件相應(yīng)的增加或減少0.0015mm。

再來看看我和王超十天內(nèi)測量的數(shù)據(jù)，表1.2?1.3序號型號測量日期測量場所測量時間測量環(huán)境溫度￥檢具測量尺寸（內(nèi)徑）測量尺寸（外徑）狀態(tài)說明111110CSDM322015-3-20車間9:2015°is.rSOOmnL151.75171.2199110CSDM322015-3-19車間9:45席15.3°300mnL151.76171.21102110CSDM322015-3-19點檢室10:1117°19.2°SOOjtljtl151.77171.22108110CSDM322015-3-19車間15:311廠19.2°SOOmnL151.78171.23117110CSDM322015-3-20點檢室15:3117°22°SOOjtljtl151.74171.22114110CSDM322015-3-20點檢室9:4118°19.2°SOOmnL151.74171.21120110CSDM322015-3-20車間15:5118°19.8°SOOjtljtl151.75171.22105110CSDM322015-3-19點檢室15:1418°21.4°SOOjtljtl151.77171.22表1.2；丄」 I ~L■■■■廠 I測量尺寸（內(nèi)徑）151.7B151.77:151.76151.75151.74151.73151.72測量尺寸（外徑）15.1°15.3°19.2°19.2°19.2°19.3°21.4°22°型號110CSDM32，內(nèi)徑變動量為0.04mm,內(nèi)徑變動量為0.02mm。其溫差變化為7°,內(nèi)外徑尺寸在100-200mm,其對應(yīng)的線性膨脹系數(shù)值為0.021mm（如表1.5）,由于手工測量會有0.02mm的誤差，所以手工測量的結(jié)果基本符合線性膨脹系數(shù)的理論。材料變化尺寸與溫度差對照表溫度差1°2°3°4°5°6°7°8°9°10°1000.00150.0030.00450.0060.00750.0090.01050.0120.01350.0152000.0030.0060.0090.0120.0150.0180.0210.0240.0270.033000.00450.0090.01350.0180.02250.0270.0360.04050.0454000.0060.0120.0180.0240.030.036■0.0480.0540.065000.00750.0150.02250.030.03750.0450.05250.060.06750.0756000.0090.0180.0270.0360.0450.0540.0630.0720.0810.097000.01050.0210.03150.0420.05250.0630.07350.0840.09450.1058000.0120.0240.0360.0480.060.0720.0840.0960.1080.129000.01350.0270.04050.0540.06750.0S10.09450.1080.12150.13510000.0150.030.0450.060.0750.090.1050.120.1350.15表1.5再來看另一個型號N224序號型號測量日期測量場所測量時間測量環(huán)境溫度工件溫度檢具測量尺寸（內(nèi)徑）測量尺寸（外徑）狀態(tài)說明33N2242015-3-13車間16:0114°18°30Omm156.53182.6134N2242015-3-14點檢室9:2419°20.7°300mm156.531S2.6337N2242015-3-14車間10:0014°13.4°300mm156.53182.6140N2242015-3-16點檢室9:2219°20°300mm.156.53182.6343N2242015-3-16車間9:4313°15°300mm156.55182.6348N2242015-3-16點檢室13:5419°22°30Omm156.55182.6355N2242015-3-16車間14:2015°16.4，：，30Omm156.55182.6359N2242015-3-17車間9:0814°15.3°300mm156.54182.664N2242015-3-17點檢室9:3219°21.5，：，300mm156.55182.668N2242015-3-17點檢室14:2519°20.7°300mm156.55182.6373N2242015-3-17車間14:5518°18.9°30Omm156.55182.6279N2242015-3-18車間8:3714°14.7°30Omm156.53182.684N2242015-3-1S點檢室9:0418°18°300mm156.531S2.689N2242015-3-18點檢室13:1119°20.5，：，300mm156.55182.6194N2242015-3-18車間15:1214°17.1，：，300mm156.55182.63表1?6工件尺寸隨溫度變化表如下表1.7?1.8測量尺寸（內(nèi)徑）測量尺寸（內(nèi)徑）測童尺寸（內(nèi)徑）表1.7測量尺寸（外徑）測量尺寸（外徑）-■-測童尺寸（外徑）表1.8工件溫度變化范圍為9°,內(nèi)徑尺寸變化在0.02mm以內(nèi)，外徑尺寸變化范圍在0.03mm以內(nèi)，相應(yīng)的線性膨脹值為0.027mm（如下表1.9），測量符合理論值。材料變化尺寸與溫度差對照表溫度差尺寸、r2。3。5°6°8。9。10°1000.00150.0030.00450.0060.00750.0090.01050.0120.01350.0152000.0030.0060.0090.0120.0150.0130.0210.0240.0270.033000.00450.0090.01350.0180.02250.0270.03150.0360.0454000.0060.0120.0180.0240.030.0360.0420.048oH0.065000.00750.0150.02250.030.03750.0450.05250.060.06750.0756000.0090.0180.0270.0360.0450.0540.0630.0720.0810.097000.01050.0210.03150.0420.05250.0630.07350.0840.09450.1058000.0120.0240.0360.0480.060.0720.0840.0960.1080.1