抛(Pao)丸(Wan)机(Ji)主(Zhu)要(Yao)结(Jie)构(Gou)组(Zu)成(Cheng):(?)抛(Pao)丸(Wan)及(Ji)密(Mi)封(Feng)系(Xi)统(Tong),(?)丸(Wan)粒(Li)循(Xun)环(Huan)系(Xi)统(Tong),(?)通(Tong)风(Feng)除(Chu)尘(Chen)系(Xi)统(Tong),(?)工(Gong)件(Jian)承(Cheng)载(Zai)系(Xi)统(Tong)、(?)控(Kong)制(Zhi)系(Xi)统(Tong)。(?)
选(Xuan)择(Ze)抛(Pao)丸(Wan)工(Gong)艺(Yi)参(Can)数(Shu)的(De)依(Yi)据(Ju)是(Shi):(?)抛(Pao)丸(Wan)清(Qing)理(Li)的(De)目(Mu)的(De);(?)被(Bei)抛(Pao)丸(Wan)工(Gong)件(Jian)表(Biao)面(Mian)硬(Ying)度(Du)、(?)表(Biao)面(Mian)状(Zhuang)况(Kuang);(?)抛(Pao)丸(Wan)清(Qing)理(Li)质(Zhi)量(Liang)要(Yao)求(Qiu);(?)表(Biao)面(Mian)压(Ya)痕(Hen)覆(Fu)盖(Gai)率(Lu);(?)钢(Gang)丸(Wan)直(Zhi)径(Jing);(?)钢(Gang)丸(Wan)抛(Pao)出(Chu)速(Su)度(Du);(?)工(Gong)件(Jian)相(Xiang)对(Dui)抛(Pao)丸(Wan)移(Yi)动(Dong)速(Su)度(Du);(?)工(Gong)件(Jian)装(Zhuang)载(Zai)量(Liang);(?)抛(Pao)丸(Wan)时(Shi)间(Jian)等(Deng)。(?)而(?)其(Qi)中(Zhong)只(Zhi)有(You)抛(Pao)丸(Wan)清(Qing)理(Li)目(Mu)的(De)、(?)被(Bei)抛(Pao)丸(Wan)工(Gong)件(Jian)表(Biao)面(Mian)硬(Ying)度(Du)、(?)抛(Pao)丸(Wan)清(Qing)理(Li)质(Zhi)量(Liang)要(Yao)求(Qiu)、(?)工(Gong)件(Jian)装(Zhuang)载(Zai)量(Liang)、(?)抛(Pao)丸(Wan)时(Shi)间(Jian)等(Deng)是(Shi)可(Ke)变(Bian)条(Tiao)件(Jian)。(?)在(Zai)实(Shi)际(Ji)操(Cao)作(Zuo)中(Zhong),(?)只(Zhi)有(You)工(Gong)件(Jian)装(Zhuang)载(Zai)量(Liang)和(He)抛(Pao)丸(Wan)时(Shi)间(Jian)是(Shi)可(Ke)设(She)定(Ding)的(De)。(?)
(1)装(Zhuang)载(Zai)量(Liang)与(Yu)抛(Pao)丸(Wan)时(Shi)间(Jian):(?)经(Jing)过(Guo)大(Da)量(Liang)工(Gong)艺(Yi)试(Shi)验(Yan)后(Hou),(?)在(Zai)上(Shang)述(Shu)条(Tiao)件(Jian)相(Xiang)同(Tong)情(Qing)况(Kuang)下(Xia),(?)工(Gong)件(Jian)装(Zhuang)载(Zai)量(Liang)与(Yu)抛(Pao)丸(Wan)时(Shi)间(Jian)的(De)关(Guan)系(Xi)见(Jian)上(Shang)表(Biao)。(?)
(2)结(Jie)果(Guo)分(Fen)析(Xi):(?)
1.(?)在(Zai)其(Qi)他(Ta)条(Tiao)件(Jian)相(Xiang)同(Tong)的(De)情(Qing)况(Kuang)下(Xia),(?)装(Zhuang)载(Zai)量(Liang)增(Zeng)加(Jia)时(Shi),(?)可(Ke)以(Yi)通(Tong)过(Guo)延(Yan)长(Chang)抛(Pao)丸(Wan)时(Shi)间(Jian)来(Lai)完(Wan)成(Cheng)抛(Pao)丸(Wan)清(Qing)理(Li)质(Zhi)量(Liang)。(?)注(Zhu):(?)试(Shi)验(Yan)条(Tiao)件(Jian)如(Ru)下(Xia)。(?)
a.(?)Ml0mm×30mm六(Liu)角(Jiao)螺(Luo)栓(Shuan)。(?)
b.(?)工(Gong)件(Jian)强(Qiang)度(Du)级(Ji)别(Bie)8.(?)8级(Ji)。(?)
c.(?)抛(Pao)丸(Wan)机(Ji)型(Xing)为(Wei)履(Lu)带(Dai)式(Shi)抛(Pao)丸(Wan)机(Ji)。(?)
d.(?)抛(Pao)丸(Wan)机(Ji)最(Zui)大(Da)装(Zhuang)载(Zai)量(Liang)200kg。(?)
e.(?)钢(Gang)丸(Wan)直(Zhi)径(Jing),(?)50.(?)3mm,(?)硬(Ying)度(Du)HRC 40~(?)50。(?)
f.(?)抛(Pao)丸(Wan)电(Dian)流(Liu)≥l2A。(?)
g.(?)但(Dan)是(Shi)延(Yan)长(Chang)抛(Pao)丸(Wan)时(Shi)间(Jian)会(Hui)增(Zeng)加(Jia)工(Gong)件(Jian)磕(Ke)碰(Peng)概(Gai)率(Lu),(?)如(Ru)对(Dui)紧(Jin)固(Gu)件(Jian)螺(Luo)纹(Wen)、(?)薄(Bao)壁(Bi)件(Jian)变(Bian)形(Xing),(?)对(Dui)表(Biao)面(Mian)光(Guang)洁(Jie)度(Du)要(Yao)求(Qiu)高(Gao)的(De)工(Gong)件(Jian)是(Shi)不(Bu)适(Shi)宜(Yi)的(De),(?)所(Suo)以(Yi)无(Wu)限(Xian)制(Zhi)增(Zeng)加(Jia)装(Zhuang)载(Zai)量(Liang)是(Shi)不(Bu)合(He)适(Shi)的(De)。(?)
3.(?)在(Zai)上(Shang)述(Shu)工(Gong)艺(Yi)试(Shi)验(Yan)中(Zhong),(?)选(Xuan)择(Ze)装(Zhuang)载(Zai)量(Liang)40kg、(?)80kg,(?)抛(Pao)丸(Wan)时(Shi)间(Jian)6min、(?)12min是(Shi)合(He)适(Shi)的(De)。(?)
(3)抛(Pao)丸(Wan)工(Gong)序(Xu)操(Cao)作(Zuo)注(Zhu)意(Yi)事(Shi)项(Xiang):
1.正(Zheng)确(Que)的(De)抛(Pao)丸(Wan)电(Dian)流(Liu)。(?)抛(Pao)丸(Wan)机(Ji)显(Xian)示(Shi)的(De)抛(Pao)丸(Wan)电(Dian)流(Liu)是(Shi)抛(Pao)丸(Wan)器(Qi)电(Dian)机(Ji)的(De)负(Fu)载(Zai),(?)即(Ji)钢(Gang)丸(Wan)通(Tong)过(Guo)抛(Pao)丸(Wan)器(Qi)叶(Ye)片(Pian)的(De)流(Liu)量(Liang),(?)只(Zhi)有(You)保(Bao)证(Zheng)一(Yi)定(Ding)量(Liang)的(De)钢(Gang)丸(Wan)通(Tong)过(Guo)叶(Ye)片(Pian),(?)才(Cai)能(Neng)实(Shi)现(Xian)钢(Gang)丸(Wan)压(Ya)痕(Hen)覆(Fu)盖(Gai)率(Lu),(?)所(Suo)以(Yi)要(Yao)随(Sui)时(Shi)检(Jian)查(Cha)钢(Gang)丸(Wan)数(Shu)量(Liang),(?)及(Ji)时(Shi)添(Tian)加(Jia),(?)确(Que)保(Bao)达(Da)到(Dao)抛(Pao)丸(Wan)机(Ji)规(Gui)定(Ding)的(De)电(Dian)流(Liu)数(Shu)值(Zhi)。(?)
2.正(Zheng)确(Que)选(Xuan)择(Ze)工(Gong)件(Jian)装(Zhuang)载(Zai)量(Liang)和(He)抛(Pao)丸(Wan)时(Shi)间(Jian)。(?)
3.抛(Pao)丸(Wan)器(Qi)停(Ting)止(Zhi)工(Gong)作(Zuo)后(Hou),(?)抽(Chou)风(Feng)和(He)滚(Gun)筒(Tong)正(Zheng)转(Zhuan),(?)继(Ji)续(Xu)开(Kai)启(Qi)2min以(Yi)上(Shang),(?)将(Jiang)灰(Hui)尘(Chen)吸(Xi)收(Shou),(?)并(Bing)将(Jiang)钢(Gang)丸(Wan)落(Luo)下(Xia)履(Lu)带(Dai);(?)如(Ru)工(Gong)件(Jian)形(Xing)状(Zhuang)复(Fu)杂(Za)或(Huo)有(You)深(Shen)孔(Kong)、(?)盲(Mang)孔(Kong)、(?)窄(Zhai)隙(Xi),(?)适(Shi)当(Dang)延(Yan)长(Chang)此(Ci)工(Gong)序(Xu)时(Shi)间(Jian)。(?)
4.对(Dui)M20mm以(Yi)上(Shang)螺(Luo)栓(Shuan),(?)不(Bu)要(Yao)自(Zi)动(Dong)出(Chu)料(Liao),(?)最(Zui)好(Hao)手(Shou)工(Gong)出(Chu)料(Liao)以(Yi)防(Fang)止(Zhi)将(Jiang)螺(Luo)纹(Wen)碰(Peng)伤(Shang)。(?)
5.集(Ji)尘(Chen)器(Qi)的(De)布(Bu)袋(Dai)或(Huo)滤(Lu)芯(Xin)要(Yao)经(Jing)常(Chang)清(Qing)理(Li)更(Geng)换(Huan),(?)确(Que)保(Bao)灰(Hui)尘(Chen)抽(Chou)取(Qu)干(Gan)净(Jing)。(?)
6.集(Ji)尘(Chen)器(Qi)的(De)集(Ji)尘(Chen)箱(Xiang)要(Yao)及(Ji)时(Shi)清(Qing)理(Li),(?)并(Bing)防(Fang)止(Zhi)明(Ming)火(Huo)(此(Ci)处(Chu)的(De)灰(Hui)尘(Chen)是(Shi)极(Ji)微(Wei)细(Xi)的(De)金(Jin)属(Shu)粉(Fen)粒(Li),(?)遇(Yu)明(Ming)火(Huo)会(Hui)燃(Ran)烧(Shao))。(?)
7.抛(Pao)丸(Wan)后(Hou)的(De)工(Gong)件(Jian)要(Yao)及(Ji)时(Shi)转(Zhuan)入(Ru)下(Xia)道(Dao)工(Gong)序(Xu),(?)一(Yi)般(Ban)应(Ying)在(Zai)8h内(Nei)涂(Tu)覆(Fu),(?)但(Dan)是(Shi)在(Zai)江(Jiang)南(Nan)“梅(Mei)雨(Yu)”季(Ji)节(Jie),(?)湿(Shi)度(Du)>85%(?),(?)抛(Pao)丸(Wan)后(Hou)工(Gong)件(Jian)表(Biao)面(Mian)约(Yue)40℃(?),(?)高(Gao)温(Wen)高(Gao)湿(Shi)空(Kong)气(Qi)在(Zai)1~(?)2h就(Jiu)会(Hui)使(Shi)工(Gong)件(Jian)表(Biao)面(Mian)产(Chan)生(Sheng)浮(Fu)锈(Xiu)。(?)
(4)抛(Pao)丸(Wan)质(Zhi)量(Liang)检(Jian)查(Cha)目(Mu)视(Shi):(?)
表(Biao)面(Mian)无(Wu)锈(Xiu)点(Dian)、(?)氧(Yang)化(Hua)皮(Pi)、(?)污(Wu)垢(Gou),(?)要(Yao)求(Qiu)达(Da)到(Dao)瑞(Rui)典(Dian)分(Fen)级(Ji)表(Biao)Sa 2.5~(?)Sa 3级(Ji):(?)“完(Wan)全(Quan)除(Chu)去(Qu)铁(Tie)锈(Xiu)及(Ji)氧(Yang)化(Hua)皮(Pi),(?)不(Bu)留(Liu)任(Ren)何(He)微(Wei)小(Xiao)斑(Ban)痕(Hen),(?)钢(Gang)面(Mian)呈(Cheng)均(Jun)匀(Yun)银(Yin)白(Bai)色(Se)金(Jin)属(Shu)光(Guang)泽(Ze)。(?)”允(Yun)许(Xu)个(Ge)别(Bie)工(Gong)件(Jian)因(Yin)热(Re)处(Chu)理(Li)工(Gong)序(Xu)原(Yuan)因(Yin),(?)经(Jing)抛(Pao)丸(Wan)后(Hou)呈(Cheng)现(Xian)微(Wei)微(Wei)氧(Yang)化(Hua)色(Se)。(?)④(?)对(Dui)M20mm以(Yi)上(Shang)螺(Luo)栓(Shuan),(?)不(Bu)要(Yao)自(Zi)动(Dong)出(Chu)料(Liao),(?)最(Zui)好(Hao)手(Shou)工(Gong)出(Chu)料(Liao)以(Yi)防(Fang)止(Zhi)将(Jiang)螺(Luo)纹(Wen)碰(Peng)伤(Shang)。(?)