由(You)于(Yu)PVDF管(Guan)的(De)材(Cai)质(Zhi)收(Shou)缩(Suo)率(Lu)为(Wei)百(Bai)分(Fen)之(Zhi)二(?)到(Dao)百(Bai)分(Fen)之(Zhi)二(?)点(Dian)二(?)之(Zhi)间(Jian)，(?)产(Chan)品(Pin)成(Cheng)型(Xing)收(Shou)缩(Suo)较(Jiao)大(Da)，(?)对(Dui)较(Jiao)大(Da)尺(Chi)寸(Cun)的(De)注(Zhu)塑(Su)件(Jian)模(Mo)具(Ju)设(She)计(Ji)时(Shi)应(Ying)预(Yu)留(Liu)二(?)次(Ci)加(Jia)工(Gong)余(Yu)量(Liang)，(?)PVDF管(Guan)注(Zhu)塑(Su)成(Cheng)型(Xing)模(Mo)具(Ju)应(Ying)设(She)计(Ji)合(He)理(Li)的(De)排(Pai)气(Qi)系(Xi)统(Tong)，(?)否(Fou)则(Ze)会(Hui)因(Yin)为(Wei)PVDF管(Guan)模(Mo)具(Ju)闭(Bi)气(Qi)而(?)使(Shi)产(Chan)品(Pin)内(Nei)部(Bu)形(Xing)成(Cheng)气(Qi)孔(Kong)影(Ying)响(Xiang)产(Chan)品(Pin)PVDF管(Guan)强(Qiang)度(Du)，(?)同(Tong)时(Shi)产(Chan)品(Pin)注(Zhu)塑(Su)时(Shi)须(Xu)对(Dui)模(Mo)具(Ju)进(Jin)行(Xing)预(Yu)热(Re)，(?)加(Jia)热(Re)温(Wen)度(Du)在(Zai)五(Wu)十(Shi)到(Dao)六(Liu)十(Shi)摄(She)氏(Shi)度(Du)之(Zhi)间(Jian)，(?)以(Yi)保(Bao)证(Zheng)PVDF管(Guan)产(Chan)品(Pin)尺(Chi)寸(Cun)的(De)稳(Wen)定(Ding)性(Xing)。(?)换(Huan)流(Liu)阀(Fa)结(Jie)构(Gou)复(Fu)杂(Za)、(?)阀(Fa)冷(Leng)却(Que)配(Pei)水(Shui)管(Guan)道(Dao)规(Gui)格(Ge)、(?)形(Xing)式(Shi)多(Duo)样(Yang)，(?)PVDF管(Guan)道(Dao)的(De)软(Ruan)化(Hua)温(Wen)度(Du)在(Zai)一(Yi)百(Bai)五(Wu)十(Shi)摄(She)氏(Shi)度(Du)左(Zuo)右(You)，(?)阀(Fa)冷(Leng)却(Que)输(Shu)配(Pei)水(Shui)的(De)各(Ge)种(Zhong)管(Guan)道(Dao)可(Ke)采(Cai)用(Yong)热(Re)弯(Wan)成(Cheng)型(Xing)工(Gong)艺(Yi)实(Shi)现(Xian)，(?)PVDF管(Guan)道(Dao)在(Zai)一(Yi)百(Bai)五(Wu)十(Shi)五(Wu)到(Dao)一(Yi)百(Bai)六(Liu)十(Shi)五(Wu)摄(She)氏(Shi)度(Du)经(Jing)过(Guo)二(?)十(Shi)到(Dao)四(Si)十(Shi)五(Wu)分(Fen)钟(Zhong)加(Jia)热(Re)后(Hou)可(Ke)进(Jin)行(Xing)滚(Gun)弯(Wan)、(?)模(Mo)压(Ya)弯(Wan)曲(Qu)成(Cheng)型(Xing)，(?)成(Cheng)型(Xing)尺(Chi)寸(Cun)完(Wan)全(Quan)可(Ke)以(Yi)满(Man)足(Zu)设(She)计(Ji)技(Ji)术(Shu)要(Yao)求(Qiu)。(?)PVDF管(Guan)资(Zi)料(Liao)转(Zhuan)自(Zi)http://nagaint.com/product-cat-7.html