版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)
文檔簡(jiǎn)介
1、數(shù)控加工工藝與編程課程設(shè)計(jì)說明書 學(xué) 院:航空制造工程學(xué)院專 業(yè):機(jī)械設(shè)計(jì)制造及其自動(dòng)化課程名稱:數(shù)控加工工藝與編程課程設(shè)計(jì)學(xué) 生 姓 名: 學(xué) 號(hào):設(shè)計(jì)題目:零件的型腔銑及鉆孔數(shù)控加工工藝與編程設(shè)計(jì)起 迄 日 期:2015年11月17日11月28日指 導(dǎo) 教 師:上交資料要求:1、電子文檔:零件的模型與工程圖文檔、 nc文件、設(shè)計(jì)說明書word稿等2、設(shè)計(jì)說明書紙質(zhì)打印稿等(與電子檔相同)一、設(shè)計(jì)任務(wù)二、工藝分析零件銑削工藝分析如上圖所示,零件材料的處理為:ht200,下面對(duì)該零件進(jìn)行數(shù)控銑削工藝分析。1. 零件圖的完整性和正確性分析:零件圖的表達(dá)清楚,能夠直接反應(yīng)各個(gè)地方的要求,符合標(biāo)準(zhǔn)。
2、2. 零件技術(shù)分析:零件圖的尺寸精度、位置精度、形狀精度、表面粗糙度和熱處理,在保證零件合格和性能的前提下要經(jīng)濟(jì)合理。尺寸偏差為0.01,表面粗糙度均為6.3um,熱處理采用正火處理。3. 尺寸標(biāo)注方法分析:為了零件圖上的尺寸能夠在加工精度保證使用性能的前提下,應(yīng)集中標(biāo)注或者用同一基準(zhǔn)來標(biāo)注,這樣有利于設(shè)計(jì)基準(zhǔn)、編制的程序和工藝基準(zhǔn)的原點(diǎn)統(tǒng)一。三、毛坯的選擇零件的力學(xué)性能分析:若力學(xué)性能要求高,則選鍛件。若不高,選鑄件。因?yàn)榱慵牧鲜莌t200,指的是最低抗拉強(qiáng)度為200mpa的灰鑄鐵。1.承受較大應(yīng)力的零件(彎曲應(yīng)力0.49mpa(大于10t在磨損下工作的大型鑄件壓力1.47mpa) 3.要
3、求一定的氣密性或耐弱腐蝕性介質(zhì) 所以選鑄件。四、工藝過程設(shè)計(jì)工序號(hào)工序內(nèi)容刀具號(hào)mm主軸轉(zhuǎn)速(r/min)進(jìn)給速度(mm/min)背吃刀量mm程序編號(hào)1零件型腔銑d10r112002503o00012零件鉆孔z810002000.5o0002五型腔銑加工1 打開模型文件并進(jìn)入加工環(huán)境 步驟1.在f盤ugwenjian文件夾中打開已經(jīng)畫好的-model4.prt模型文件 步驟2.進(jìn)入加工環(huán)境。選擇下拉菜單開始,點(diǎn)擊加工命令,系統(tǒng)彈出“加工環(huán)境”的對(duì)話框,在“加工環(huán)境”的對(duì)話框的cam會(huì)話配置列表中選擇cam-general選項(xiàng)。在要?jiǎng)?chuàng)建的cam設(shè)置列表框中選擇mill contour選項(xiàng)。單擊確
4、定按鈕,進(jìn)入加工環(huán)境。2 創(chuàng)建幾何體任務(wù)一,創(chuàng)建機(jī)床坐標(biāo)和安全平面 步驟1.進(jìn)入幾何視圖。在工序?qū)Ш降目瞻滋幱覔?,在系統(tǒng)彈出的快捷菜單中選擇幾何視圖命令,在工序?qū)Ш街须p擊節(jié)點(diǎn)mcs-mill,彈出“mill orient”對(duì)話框。 步驟2創(chuàng)建機(jī)床坐標(biāo)系。這里采用系統(tǒng)默認(rèn)的當(dāng)前機(jī)床坐標(biāo)系,如下圖所示步驟3.創(chuàng)建安全平面。在安全設(shè)置選項(xiàng)中選擇平面選項(xiàng),平面參照及安全平面創(chuàng)建結(jié)果如下圖所示,偏置距離為20.任務(wù)二,創(chuàng)建部件幾何體單擊如圖所示指定部件,系統(tǒng)彈出“部件幾何體”對(duì)話框。在“選擇條”工具條中確認(rèn)“類型過濾”設(shè)置為“實(shí)體”,在圖形中選取整個(gè)零件為幾何部件。單擊確定完成。任務(wù)三,創(chuàng)建毛胚幾何體如
5、上圖所示,單擊指定毛胚命令框,得到如下圖會(huì)話框,參數(shù)設(shè)置也如圖所示。單擊確定,完成毛胚幾何體創(chuàng)建。單擊“銑銷幾何體”對(duì)話框中的“確定”按鈕,完成幾何體的創(chuàng)建。三,創(chuàng)建道具道具的選取及參數(shù)如下圖所示單擊確定,完成刀具的創(chuàng)建。四,創(chuàng)建型腔銑操作任務(wù)一,創(chuàng)建工序選擇菜單插入,點(diǎn)擊工序命令,系統(tǒng)彈出“要?jiǎng)?chuàng)建工序”對(duì)話框。其參數(shù)選擇如下圖單擊確定,完成工序創(chuàng)建。任務(wù)二顯示刀具和幾何體 顯示刀具。在刀具區(qū)域單擊“編輯|顯示”按鈕,各類參數(shù)數(shù)據(jù)顯示如下圖 顯示幾何體。在幾何體區(qū)域中單擊指定部件右側(cè)的“顯示”按鈕,顯示結(jié)果如下圖。任務(wù)三,設(shè)置刀具路徑參數(shù) 參數(shù)設(shè)計(jì)結(jié)果如下圖 任務(wù)四,切削參數(shù)設(shè)置 切削參數(shù)設(shè)置
6、如下圖 任務(wù)五,設(shè)置非切削移動(dòng)參數(shù) 結(jié)果如下圖所示任務(wù)六,設(shè)置進(jìn)給率和速度 設(shè)置結(jié)果如下圖5,生成刀路徑軌跡并仿真六標(biāo)準(zhǔn)鉆孔加工一,創(chuàng)建幾何體任務(wù)一,創(chuàng)建機(jī)床坐標(biāo)系任務(wù)二,創(chuàng)建部件幾何體任務(wù)三,創(chuàng)建鉆加工幾何體 步驟一,選擇下拉菜單插入,單擊幾何體命令,系統(tǒng)彈出“創(chuàng)建幾何體”對(duì)話框。 步驟二,在“創(chuàng)建幾何體”的對(duì)話框幾何體類型區(qū)域中單擊“drll-geom”按鈕,在幾何體下拉列表中選擇workpiece選項(xiàng),采用系統(tǒng)默認(rèn)名稱,單擊確定按鈕。系統(tǒng)彈出“鉆加工幾何體”對(duì)話框。 步驟三, 指定孔(1) 單擊“鉆加工幾何體”對(duì)話框中“指定孔”右側(cè)的按鈕,系統(tǒng)彈出如下圖所示“點(diǎn)到點(diǎn)幾何體”對(duì)話框,單擊選
7、擇按鈕,系統(tǒng)彈出如下圖所示“點(diǎn)位選擇”對(duì)話框。(2) 選擇孔的邊線圓弧為參照,單擊確定按鈕,返回到“點(diǎn)到點(diǎn)幾何體”對(duì)話框。(3) 單擊“點(diǎn)到點(diǎn)幾何體”對(duì)話框中的確定按鈕,返回到“鉆加工幾何體”對(duì)話框。單擊確定完成鉆加工幾何體的創(chuàng)建?!包c(diǎn)到點(diǎn)幾何體”對(duì)話框“點(diǎn)位選擇”對(duì)話框二,創(chuàng)建刀具刀具的類型選擇及參數(shù)設(shè)置如下圖所示三,創(chuàng)建工序任務(wù)一,插入工序工序參數(shù)如下圖所示任務(wù)二,指定頂面 指定底面任務(wù)三,設(shè)置循環(huán)控制參數(shù)“指定參數(shù)”對(duì)話框“cvcle參數(shù)”對(duì)話框(單擊depth-模型深度按鈕)“cvcle深度”對(duì)話框(單擊模型深度按鈕)“安全高度設(shè)置類型”對(duì)話框(單擊自由按鈕)任務(wù)四,設(shè)置一般參數(shù)如下圖
8、任務(wù)五,避讓設(shè)置避讓幾何體對(duì)話框(單擊clearance plance-無按鈕)“安全平面”對(duì)話框(單擊指定按鈕)安全平面參數(shù)設(shè)置如下圖所示 單擊“安全平面”對(duì)話框中的確定按鈕,返回到“避讓幾何體”對(duì)話框,然后單擊“避讓幾何體”對(duì)話框中的確定按鈕,完成安全平面的設(shè)置,返回到“鉆”對(duì)話框。任務(wù)六,設(shè)置進(jìn)給率和速度單擊“鉆”對(duì)話框中的“進(jìn)給率和速度”按鈕,系統(tǒng)彈出“進(jìn)給率和速度”對(duì)話框。對(duì)話框中的參數(shù)設(shè)置如下圖所示單擊確定按鈕,完成設(shè)置四,生成刀路徑軌跡并仿真生成刀路徑軌跡如下圖所示2d仿真結(jié)果如下圖所示 七加工程序tool path/cavity_mill,tool,d10r1tldata/mi
9、ll,10.0000,1.0000,75.0000,0.0000,0.0000msys/0.0000,0.0000,0.0000,1.0000000,0.0000000,0.0000000,0.0000000,1.0000000,0.0000000$ centerline datapaint/pathpaint/speed,10paint/color,186rapidgoto/-55.1500,0.0000,60.0000,0.0000000,0.0000000,1.0000000paint/color,211rapidgoto/-55.1500,0.0000,41.0667paint/col
10、or,6fedrat/mmpm,250.0000goto/-55.1500,0.0000,38.0667goto/-48.0450,0.0000,38.0667paint/color,31circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10.0000,1.0000goto/12.6358,46.3536,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10
11、.0000,1.0000goto/36.6932,-31.0151,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10.0000,1.0000goto/-43.8974,-19.5280,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10.0000,1.0000goto/-47.3673,-8.0409,38.0667circle/0.0
12、000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10.0000,1.0000goto/-48.0450,0.0000,38.0667paint/color,36goto/-44.0450,0.0000,38.0667paint/color,31circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,44.0450,0.1500,0.8000,10.0000,1.0000goto/11.5838,42.4944,38.0667circle/0
13、.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,44.0450,0.1500,0.8000,10.0000,1.0000goto/33.6383,-28.4329,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,44.0450,0.1500,0.8000,10.0000,1.0000goto/-40.2427,-17.9022,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,
14、44.0450,0.1500,0.8000,10.0000,1.0000goto/-43.4238,-7.3715,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,44.0450,0.1500,0.8000,10.0000,1.0000goto/-44.0450,0.0000,38.0667paint/color,36goto/-40.0450,0.0000,38.0667paint/color,31circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.00000
15、00,40.0450,0.1500,0.8000,10.0000,1.0000goto/10.5318,38.6353,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,40.0450,0.1500,0.8000,10.0000,1.0000goto/30.5834,-25.8507,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,40.0450,0.1500,0.8000,10.0000,1.0000goto/-36.5880,
16、-16.2764,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,40.0450,0.1500,0.8000,10.0000,1.0000goto/-39.4802,-6.7020,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,40.0450,0.1500,0.8000,10.0000,1.0000goto/-40.0450,0.0000,38.0667paint/color,36goto/-36.0450,0.0000,38
17、.0667paint/color,31circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.0000,1.0000goto/9.4798,34.7761,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.0000,1.0000goto/27.5285,-23.2686,38.0667circle/0.0000,0.0000,38.0667,0.0000
18、000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.0000,1.0000goto/-32.9333,-14.6506,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.0000,1.0000goto/-35.5366,-6.0326,38.0667circle/0.0000,0.0000,38.0667,0.0000000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.00
19、00,1.0000goto/-36.0450,0.0000,38.0667paint/color,1goto/-55.1500,0.0000,38.0667goto/-55.1500,0.0000,41.0667paint/color,211rapidgoto/-55.1500,0.0000,60.0000rapidgoto/-55.1500,0.0000,39.1333paint/color,6goto/-55.1500,0.0000,36.1333goto/-48.0450,0.0000,36.1333paint/color,31circle/0.0000,0.0000,36.1333,0
20、.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10.0000,1.0000goto/12.6358,46.3536,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10.0000,1.0000goto/36.6932,-31.0151,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10
21、.0000,1.0000goto/-43.8974,-19.5280,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10.0000,1.0000goto/-47.3673,-8.0409,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,48.0450,0.1500,0.8000,10.0000,1.0000goto/-48.0450,0.0000,36.1333paint/color
22、,36goto/-44.0450,0.0000,36.1333paint/color,31circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,44.0450,0.1500,0.8000,10.0000,1.0000goto/11.5838,42.4944,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,44.0450,0.1500,0.8000,10.0000,1.0000goto/33.6383,-28.4329,36.1333circle/0
23、.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,44.0450,0.1500,0.8000,10.0000,1.0000goto/-40.2427,-17.9022,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,44.0450,0.1500,0.8000,10.0000,1.0000goto/-43.4238,-7.3715,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,
24、44.0450,0.1500,0.8000,10.0000,1.0000goto/-44.0450,0.0000,36.1333paint/color,36goto/-40.0450,0.0000,36.1333paint/color,31circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,40.0450,0.1500,0.8000,10.0000,1.0000goto/10.5318,38.6353,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.000000
25、0,40.0450,0.1500,0.8000,10.0000,1.0000goto/30.5834,-25.8507,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,40.0450,0.1500,0.8000,10.0000,1.0000goto/-36.5880,-16.2764,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,40.0450,0.1500,0.8000,10.0000,1.0000goto/-39.4802
26、,-6.7020,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,40.0450,0.1500,0.8000,10.0000,1.0000goto/-40.0450,0.0000,36.1333paint/color,36goto/-36.0450,0.0000,36.1333paint/color,31circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.0000,1.0000goto/9.479
27、8,34.7761,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.0000,1.0000goto/27.5285,-23.2686,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.0000,1.0000goto/-32.9333,-14.6506,36.1333circle/0.0000,0.0000,36.1333,0.000
28、0000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.0000,1.0000goto/-35.5366,-6.0326,36.1333circle/0.0000,0.0000,36.1333,0.0000000,0.0000000,1.0000000,36.0450,0.1500,0.8000,10.0000,1.0000goto/-36.0450,0.0000,36.1333paint/color,1rapidgoto/-0.1604,0.4521,15.9333paint/color,6circle/0.0000,-4.0450,11.0000
29、,0.0000000,0.0000000,-1.0000000,4.5000,0.1500,0.8000,10.0000,1.0000,times,2goto/0.0000,0.4550,11.0000paint/color,31circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,0.4550,0.1500,0.2000,10.0000,1.0000goto/-0.4391,0.1191,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,0.4
30、550,0.1500,0.2000,10.0000,1.0000goto/-0.4528,-0.0450,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,0.4550,0.1500,0.2000,10.0000,1.0000goto/0.2145,-0.4013,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,0.4550,0.1500,0.2000,10.0000,1.0000goto/0.2815,0.3574,11.0
31、000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,0.4550,0.1500,0.2000,10.0000,1.0000goto/0.0000,0.4550,11.0000paint/color,36goto/0.0000,4.4550,11.0000paint/color,31circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,4.4550,0.1500,0.2000,10.0000,1.0000goto/-4.2995,1.1666,11.0000
32、circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,4.4550,0.1500,0.2000,10.0000,1.0000goto/-4.4331,-0.4410,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,4.4550,0.1500,0.2000,10.0000,1.0000goto/2.0999,-3.9291,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.000
33、0000,4.4550,0.1500,0.2000,10.0000,1.0000goto/2.7565,3.4998,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,4.4550,0.1500,0.2000,10.0000,1.0000goto/0.0000,4.4550,11.0000paint/color,36goto/0.0000,8.4550,11.0000paint/color,31circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000
34、,8.4550,0.1500,0.2000,10.0000,1.0000goto/-8.1600,2.2141,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,8.4550,0.1500,0.2000,10.0000,1.0000goto/-8.4135,-0.8370,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,8.4550,0.1500,0.2000,10.0000,1.0000goto/3.9853,-7.4568
35、,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,8.4550,0.1500,0.2000,10.0000,1.0000goto/5.2314,6.6422,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,8.4550,0.1500,0.2000,10.0000,1.0000goto/0.0000,8.4550,11.0000paint/color,36goto/0.0000,12.4550,11.0000paint/col
36、or,31circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,12.4550,0.1500,0.2000,10.0000,1.0000goto/-12.0204,3.2615,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,12.4550,0.1500,0.2000,10.0000,1.0000goto/-12.3938,-1.2330,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.00000
37、00,-1.0000000,12.4550,0.1500,0.2000,10.0000,1.0000goto/5.8708,-10.9846,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,12.4550,0.1500,0.2000,10.0000,1.0000goto/7.7064,9.7846,11.0000circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,12.4550,0.1500,0.2000,10.0000,1.0000goto/0.0000,12.4550,11.0000paint/color,36goto/0.0000,16.4550,11.0000paint/color,31circle/0.0000,0.0000,11.0000,0.0000000,0.0000000,-1.0000000,16.4550,0.1500,0.2000,10.0000,1.0000goto/-15.8808,4
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。
最新文檔
- 保護(hù)鼻子健康教案反思
- 角形的邊說課稿
- 教師職業(yè)病健康知識(shí)講座
- 展覽合同終止合同協(xié)議范例
- 市政工程保溫板施工合同
- 消費(fèi)者權(quán)益爭(zhēng)議解決協(xié)議
- 房屋建筑施工合同審計(jì)
- 辦公樓廁所翻新合同樣本
- 家電企業(yè)會(huì)計(jì)人員聘用協(xié)議
- 酒店窗戶安裝施工協(xié)議
- 《社會(huì)醫(yī)學(xué)》課件11健康危險(xiǎn)因素評(píng)價(jià)
- DB34T 3826-2021 保溫板外墻外保溫工程技術(shù)標(biāo)準(zhǔn) (1)
- 實(shí)驗(yàn)二、軸系結(jié)構(gòu)設(shè)計(jì)實(shí)驗(yàn)
- 病原微生物實(shí)驗(yàn)室生物安全備案專家意見表
- 蟲害控制培訓(xùn)完整版
- 高中音樂“歌唱”模塊教學(xué)研修(一)
- 無閥濾池工作原理
- 鋼結(jié)構(gòu)廠房施工方案(屋面板及墻板)
- 雜交水稻種子越夏貯藏
- 木箱包裝件產(chǎn)品包裝作業(yè)指導(dǎo)書
- 尿素水解制氨系統(tǒng)培訓(xùn)20180808
評(píng)論
0/150
提交評(píng)論