- 鏅傞枔锛�2021-12-07 14:16:05
- 渚嗘簮锛氭湰绔�
- 鐎忚娆℃暩(sh霉)锛�519
a. 閬嬮��PC鏉�鏅傝鐣欏績涓嶈妾偡鏉块潰锛屾悕澹為倞娌�銆傜敤鍓垁鎴栭墕瀛旀澅瑗挎寜鎵�闇�妯�(bi膩o)婧�(zh菙n)鍙栬垗鍚庯紝鍐嶆部钁楁瘡閭婃彮鍘诲ぇ绱�50mm鐨勪繚璀�(h霉)鑶滃悗閫�(j矛n)琛岃ō(sh猫)鍌欙紝鍒ョ殑鐨勭瓑鍒拌ō(sh猫)鍌欏畬宸ュ悗鍐嶆挄鍘�銆傞倓闇�瑕佽嚧浣跨暀蹇冪殑鏄�锛屽叏閮ㄧ炕闁嬬殑閭婃部鎳�(y墨ng)灏佷笂鎭扮暥(d膩ng)?sh霉)鍝獄鑶滈槻姝㈡按銆佸〉鍦熸垨鍏跺畠闆滆唱(zh矛)渚靛叆銆�
A. don't grazed and PC board should pay attention to when carrying board face, damage to the edge. With scissors or boring things according to the required standard after the trade-offs, peel off along each side of about 50 mm again after coating equipment, other equipment completed until after the tear. Also need the attention, all opened the seal the edge should be of the appropriate film to prevent water, dust, or other intrusion.
b. 鍦ㄥ悗闈㈢珷绡�(ji茅)涓紝涓┖鏉跨殑鏈�灏忓綆鏇插崐寰戞槸鍏跺帤搴︾殑175鍊�锛屽彧鍙互鍐峰綆锛屼笉鑳界啽褰�銆�
B. in a later chapter, hollow plate the smallest bending radius is 175 times of its thickness, can only cold bending, hot bending.
c. 瀵﹀績鏉跨殑鏈�灏忓綆鏇插崐寰戞槸鍏跺帤搴︾殑150鍊嶏紝6mm浠ヤ笅鍘氬害鍙互鍐峰綆鍜岀啽褰庢垚鍨�锛�8mm浠ヤ笂鐨勫帤搴﹀墖闇�瑕佺啽褰�銆�
C. the smallest bending radius of solid sheet is 150 times of its thickness, under 6 mm thickness can be cold bending and hot bending forming, hot bending is required to the thickness of more than 8 mm.
d. PC鏉挎噳(y墨ng)闋嗛鏋舵柟鍚戣ō(sh猫)鍌欙紝浣挎按婊翠笅婊�銆傛澘闋傞倞閬嬬敤闃叉徊闃插〉閶佺當甯跺瘑灏�銆傛澘搴曢倞鐢ㄧ壒鍒舵湁瀛旈�忔按寮忛媮绠斿付灏佸簳鍙娇鍐峰嚌姘存祦璧般��
D. PC board should be along the direction of skeleton equipment, make water droplets fall. Top edge of plate using anti-seepage dustproof aluminum foil seal. Plate with a hole bottom edge with special waterproof type of aluminum foil with back cover can make the condensed water outflow.
e. 鏈夊繀瑕佺偤PC鏉�鏉愮殑鐔辫啫鑴归爯(y霉)鐣欑┖闁�锛屾瘡1000mm闀风殑鏉挎潗绱勯爯(y霉)鐣�3mm锛屽苟纰轰繚婊挎剰妲芥繁銆傞墕瀛旂洿寰戞噳(y墨ng)澶т簬铻虹挡鐩村緫鐨�1.5鍊嶃��
E. it is necessary for the thermal expansion of the PC board room, around the reserved 3 mm, per 1000 mm long plank and ensure satisfaction groove depth. The hole diameter should be greater than 1.5 times the diameter of the screw.
f. 瀵嗗皝绯荤当(t菕ng)鍒嗙偤骞插紡绯荤当(t菕ng)锛堥亱鐢‥PDM鎴栧叾瀹冪浉瀹规�ц啝姊濓級鍜屾繒寮忕郴绲�(t菕ng)锛堥亱鐢ㄨ獚(r猫n)鍙殑涓�х閰瘑灏佽啝锛夊叐绋�锛屼笉鍙互鐢≒VC鏉愭枡閫�(j矛n)琛屽瘑灏�銆�
F. sealing system is divided into dry type system (use EPDM or other compatible strip) and wet system (using the neutral silicone sealant) approved by the two kinds of, can't use PVC material for sealing.
