因?yàn)橛辛诉@種同步關(guān)系,即使由于慣量、加減速時(shí)間常數(shù)不同、負(fù)載波動(dòng)而造成的主軸轉(zhuǎn)動(dòng)的角度或Z軸移動(dòng)的位置變化也不影響加工精度,因?yàn)橹鬏S轉(zhuǎn)角與Z軸進(jìn)給是同步的,在攻絲中不論任何一方受干擾發(fā)生變化,則另一方也會(huì)相應(yīng)變化,并永遠(yuǎn)維持線性比例關(guān)系。如果我們用剛性攻絲加工螺紋孔,可以很清楚地看到,當(dāng)Z軸攻絲到達(dá)位置時(shí),主軸轉(zhuǎn)動(dòng)與Z軸進(jìn)給是同時(shí)減速并同時(shí)停止的,主軸反轉(zhuǎn)與Z軸反向進(jìn)給同樣保持一致。正是有了同步關(guān)系,絲錐夾頭就用普通的鉆夾頭或更簡單的專用夾頭就可以了,而且剛性攻絲時(shí),只要刀具(絲錐)強(qiáng)度允許,主軸的轉(zhuǎn)速能提高很多,4r/min的主軸速度已經(jīng)不在話下。
執(zhí)行器IC20-07Q2T芯科技，芯創(chuàng)新；88300100
0190899102 HOSE TERMOPLASTIC.
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0191052110 VOLTMETER
0191059116 Ampere meter
0191085203 CAPACITOR
0191085206 CAPACITOR
0191321104 CLAMP PLAST. D=12 STAUFF
0191418074 SPACING SLEEVE
0191496114 WEDGE
0191561114 INSULATING WASHER
0191574114 INSULATED SLEEVE
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0192058101 THERMAL COMPOUND
0192108201 SOLENOID VALVE
0192190051 PRESSURE COIL
0192200103 Hose Nipple
0192207111 Y-steel bearing UCP 214
0192230107 Blind Plug
BALLUFF BTL-5-R1-M0610-Z-MA000--S135-E4 (Surplus New not in factory packaging)
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BALLUFF BMOA66RM-X63-1 (Used, Cleaned, Tested 2 year warranty)
BALLUFF BIS-C-310-05 (Surplus New not in factory packaging)
BALLUFF C49BPE00PY050M CONNECTOR *NEW IN ORIGINAL PACKAGE*
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BALLUFF BNS-519-D04-L12-062-10 LIMIT SWITCH BNS519D04L1206210
BALLUFF BTL5-A11-M0305-B-SU147-S32 (Used, Cleaned, Tested 2 year warranty)
BALLUFF BES-Q08ZE-POC20B-BV06 (Surplus New In factory packaging)
BALLUFF BNS-519-101-1-WS-067 (Used, Cleaned, Tested 2 year warranty)
FREE 2 YR WARRANTY FREE US SHIPPING ON ORDERS OVER $25
BALLUFF BNS-519-101-1-WS-067 (Used, Cleaned, Tested 2 year warranty)
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BALLUFF BNS-519-101-1-WS-066 (Used, Cleaned, Tested 2 year warranty)
BALLUFF BLE-S5-1-FS-15 (Surplus New In factory packaging)
Balluff BES-516-325-BO-C Proximity Switch BES-516-325-B0-C - New No Box
Balluff BES-516-325-BO-C Proximity Switch BES-516-325-B0-C - New No Box
BALLUFF BES-516-207-BO-E-03 (Used, Cleaned, Tested 2 year warranty)
BALLUFF BES-516-207-BO-E-03 (Used, Cleaned, Tested 2 year warranty)
BALLUFF BTL5-A11-M0254-Z-S32 (Used, Cleaned, Tested 2 year warranty)
BALLUFF BNS-519-FR-60-101 (Surplus New not in factory packaging)
BALLUFF BNS-519-FR-60-101 (Surplus New not in factory packaging)
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燃?xì)鈮毫﹂_關(guān)，DG40VC1-5WG/B，75454579
燃?xì)鈮毫﹂_關(guān)，DG17VC1-6W/B，75455241
燃?xì)鈮毫﹂_關(guān)，DG40VC1-6W/B，75455243
燃?xì)鈮毫﹂_關(guān)，DG110VC1-6W/B，75455245
燃?xì)鈮毫﹂_關(guān)，DG300VC1-6W/B，75455246
燃?xì)鈮毫﹂_關(guān)，DG17VC1-6WG/B，75455247
燃?xì)鈮毫﹂_關(guān)，DG40VC1-6WG/B，75455249
燃?xì)鈮毫﹂_關(guān)，DG110VC1-6WG/B，75455251
燃?xì)鈮毫﹂_關(guān)，DG300VC1-6WG/B，75455252
燃?xì)鈮毫﹂_關(guān)，DG40VC9-6W/B，75456344
燃?xì)鈮毫﹂_關(guān)，DG17VC9-6W/B，75456403
燃?xì)鈮毫﹂_關(guān)，DG60VC9-6W/B，75456404
燃?xì)鈮毫﹂_關(guān)，DG150VC9-6W/B，75456405
燃?xì)鈮毫﹂_關(guān)，DG300VC9-6W/B，75456406
燃?xì)鈮毫﹂_關(guān)，DG40VC9-6WG/B，75457583
燃?xì)鈮毫﹂_關(guān)，DG500VC1-6W/B，75457730
燃?xì)鈮毫﹂_關(guān)，DG500VC1-6WG/B，75458957
燃?xì)鈮毫﹂_關(guān)，DG17VC8D-6S32，84448004
力學(xué)性能與可成形性及使用性能的關(guān)系要使鋼板獲得所需的形狀，必須使其變形，所采取的工藝可以是局部或整體彎曲、深沖、張拉或這些成型方法的組合。薄鋼板的屈服強(qiáng)度表示出成形后的可成形性和強(qiáng)度，對(duì)普通碳素鋼板的成形，屈服點(diǎn)值過高，常常有可能發(fā)生過大的回彈、成形時(shí)容易破斷，磨具磨損快以及由于塑性不良而出現(xiàn)缺陷。然而材料的屈服點(diǎn)小于14Mpa時(shí)，又可能經(jīng)受不住成形過程中施加的應(yīng)力，對(duì)用于較復(fù)雜或復(fù)雜成形加工或沖壓加工的鋼板，通常要求具有比較低的屈服強(qiáng)度值，而且屈服比值愈小，由鋼板的成形性能愈好。
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