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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j2dkwnt" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>徐州鎢鋼車(chē)刀加工,車(chē)刀</p><p><span>***更新：</span>2020-12-04 00:26:51</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8fzbio3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海追躍精密機(jī)械有限公司</a></p><p><span>聯(lián)系人：</span>王尚錕</p><p><span>郵箱: </span>494553071@qq.com</p><p><span>電話(huà): </span>13482025655</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.shzhuiyue.com</p><p><span>手機(jī): </span>021-55880750</p><p><span>地址: </span>浦江鎮(zhèn)恒南路399號(hào)A座613室</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="xwoqnzl" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="cmo82tk" class="box"><p><p style="text-indent:25px">車(chē)刀刃磨砂輪的選擇（2)粒度：粒度表示磨粒大小的程度。以磨粒能通過(guò)每英寸長(zhǎng)度上多少個(gè)孔眼的數(shù)字作為表示符號(hào)。例如60粒度是指磨粒剛可通過(guò)每英寸長(zhǎng)度上有60個(gè)孔眼的篩網(wǎng)。因此，數(shù)字越大則表示磨粒越細(xì)。粗磨車(chē)刀應(yīng)選磨粒號(hào)數(shù)小的砂輪，精磨車(chē)刀應(yīng)選號(hào)數(shù)大(即磨粒細(xì))的砂輪。船上常用的粒度為46號(hào)—臺(tái)0號(hào)的中軟或中硬的砂輪。（3)硬度：砂輪的硬度是反映磨粒在磨削力作用下，從砂輪表面上脫落的難易程度。砂輪硬，即表面磨粒難以脫落；砂輪軟，表示磨粒容易脫落。砂輪的軟硬和磨粒的軟硬是兩個(gè)不同的概念，必須區(qū)分清楚。刃磨高速鋼車(chē)刀和硬質(zhì)合金車(chē)刀時(shí)應(yīng)選軟或中軟的砂輪。另外，徐州鎢鋼車(chē)刀加工，在選擇砂輪時(shí)還應(yīng)考慮砂輪的結(jié)合劑和組織。船上和工廠(chǎng)一般選用陶瓷結(jié)合劑(代號(hào)A)和中等組織的砂輪。綜上所述，我們應(yīng)根據(jù)刀具材料正確選用砂輪。刃磨高速鋼車(chē)刀時(shí)，應(yīng)選用粒度為46號(hào)到60號(hào)的軟或中軟的氧化鋁砂輪，徐州鎢鋼車(chē)刀加工。刃磨硬質(zhì)合金車(chē)刀時(shí)，徐州鎢鋼車(chē)刀加工，應(yīng)選用粒度為60號(hào)到80號(hào)的軟或中軟的碳化硅砂輪，兩者不能搞錯(cuò)。成形車(chē)刀是加工回轉(zhuǎn)體成形表面的**刀具。徐州鎢鋼車(chē)刀加工</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州鎢鋼車(chē)刀加工,車(chē)刀" src="https://tyunfile.71360.com/UploadFile/zhuiyuebaomeng/637383890224189453/9180279.png"></div><p style="text-indent:25px">焊接式CBN刀片的立方氮化硼復(fù)合層是比較脆弱的，所以它常用于加工單邊余量0.3mm以?xún)?nèi)的工件。華菱超硬HLCBN系列整體燒結(jié)立方氮化硼刀片可以大余量切削加工難加工材料，特別在在強(qiáng)斷續(xù)切削加工中**于整個(gè)超硬材料刀具行業(yè)，HLCBN作為民族超硬刀具品牌名揚(yáng)海外，在世界超硬刀具界獨(dú)樹(shù)一幟。?純氮化硼燒結(jié)刀片：華菱超硬可以新研制成果，是一種采用純氮化硼材料制成的刀片，其ＣＢＮ含量達(dá)到１００％，經(jīng)過(guò)純燒結(jié)形成的氮化硼陶瓷刀片，其硬度和熱傳導(dǎo)率比更高，切削高硬度黑色金屬材料時(shí)，刀片刃口不會(huì)發(fā)生常見(jiàn)的受熱龜裂與缺屑；與含有其它結(jié)合材料的ＣＢＮ燒結(jié)體相比較，氮化硼陶瓷刀片的使用時(shí)間可延長(zhǎng)6倍以上。?立方氮化硼刀片適合加工材質(zhì)?：灰鑄鐵，各種耐磨鑄鐵、鑄鋼，高硬度材料加工（如淬硬冷作工具鋼、高速鋼、軸承鋼、粉末冶金鋼、高強(qiáng)度鋼、高錳鋼、高鉻鑄鐵，白口鑄鐵、奧氏體鐵、硬質(zhì)合金等等。??上海手動(dòng)車(chē)刀成形車(chē)刀制造較復(fù)雜、成本較高，刀刃工作長(zhǎng)度較寬，故易引起振動(dòng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州鎢鋼車(chē)刀加工,車(chē)刀" src="https://tyunfile.71360.com/UploadFile/zhuiyuebaomeng/637383890178427734/1731255.png"></div><p style="text-indent:25px">車(chē)刀的切削部分由主切削刃、副切削刃、前刀面、后刀面和副后刀面等組成。它的幾何形狀由前角γo、后角αo、主偏角κr、刃傾角γS、副偏角κr’和刀尖圓弧半徑rε所決定。車(chē)刀幾何參數(shù)的選擇受多種因素影響，必須根據(jù)具體情況選取。前角γo根據(jù)工件材料的成分和強(qiáng)度來(lái)選取，切削強(qiáng)度較高的材料時(shí)，應(yīng)取較小的值。例如，硬質(zhì)合金車(chē)刀在切削普通碳素鋼時(shí)前角取10°～15°；在切削鉻錳鋼或淬火鋼時(shí)取 -2°～-10°。一般情況下后角取 6°～10°。主偏角κr根據(jù)工藝系統(tǒng)的剛性條件而定,一般取30°～75°,剛性差時(shí)取較大的值，在車(chē)階梯軸時(shí)，由于切削方式的需要取大于或等于90°。刀尖圓弧半徑rε和副偏角κr'一般按加工表面粗糙度的要求而選取。刃傾角γS則根據(jù)所要求的排屑方向和刀刃強(qiáng)度確定。車(chē)刀前面的型式主要根據(jù)工件材料和刀具材料的性質(zhì)而定?？梢院?jiǎn)單的是平面型，正前角的平面型適用于高速鋼車(chē)刀和精加工用的硬質(zhì)合金車(chē)刀。</p><p style="text-indent:25px">車(chē)刀按用途可分為外圓、臺(tái)肩、端面、切槽、切斷、螺紋和成形車(chē)刀等。還有目的自動(dòng)線(xiàn)和數(shù)字控制機(jī)床用的車(chē)刀。按結(jié)構(gòu)可分為整體車(chē)刀、焊接車(chē)刀、機(jī)夾車(chē)刀、可轉(zhuǎn)位車(chē)刀和成型車(chē)刀?？赊D(zhuǎn)位車(chē)刀刀片的夾緊特點(diǎn)與使用要求：1、定位精度高刀片轉(zhuǎn)位或更換新刀片后，刀尖位置的變化應(yīng)在工件精度允許的范圍內(nèi)。2、刀片夾緊可靠應(yīng)保證刀片、刀墊、刀桿接觸面緊密貼合，經(jīng)得起沖擊和振動(dòng)，但夾緊力也不宜過(guò)大，應(yīng)力分布應(yīng)均勻，以免壓碎刀片。3、排屑流暢刀片前面上無(wú)障礙，保證切屑排出流暢，并容易觀(guān)察。4、使用方便轉(zhuǎn)換刀刃和更換新刀片方便、迅速。對(duì)小尺寸刀具結(jié)構(gòu)要緊湊。在滿(mǎn)足以上要求時(shí)，盡可能使結(jié)構(gòu)簡(jiǎn)單，制造和使用方便。負(fù)前角的平面型適用于加工高強(qiáng)度鋼和粗切鑄鋼件的硬質(zhì)合金車(chē)刀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州鎢鋼車(chē)刀加工,車(chē)刀" src="https://tyunfile.71360.com/UploadFile/zhuiyuebaomeng/637383890250839844/7375303.png"></div><p style="text-indent:25px">可調(diào)組合式內(nèi)孔車(chē)刀具：機(jī)械刀具加工內(nèi)孔應(yīng)用技術(shù)領(lǐng)域。采用刀桿位于刀座內(nèi)并由壓釘控制緊固和放松刀桿，刀桿內(nèi)中空，頂桿位于中空的頂桿孔內(nèi)，由頂絲控制壓緊刀頭，這種結(jié)構(gòu)使刀桿長(zhǎng)度可調(diào)、刀頭可替換或利于加磨與現(xiàn)有刀具相比具有適用面廣，結(jié)構(gòu)簡(jiǎn)單，節(jié)約原料，一個(gè)刀具可攜帶不同形狀刀頭的優(yōu)點(diǎn)。增加內(nèi)孔車(chē)刀的剛度主要采取的措施有一是盡量增加刀桿的截面積，二是刀桿的伸出長(zhǎng)度盡可能縮短。改進(jìn)后的內(nèi)孔車(chē)刀既保證刀桿剛性，又保證加工效率。硬質(zhì)合金焊接車(chē)刀所謂焊接式車(chē)刀。上海陶瓷車(chē)刀定制</p><p style="text-indent:25px">刀片轉(zhuǎn)位或更換新刀片后，刀尖位置的變化應(yīng)在工件精度允許的范圍內(nèi)。徐州鎢鋼車(chē)刀加工</p><p style="text-indent:25px">按結(jié)構(gòu)可分為整體車(chē)刀、焊接車(chē)刀、機(jī)夾車(chē)刀、切斷車(chē)刀、可轉(zhuǎn)位車(chē)刀和成形車(chē)刀等等。1、切斷車(chē)刀：切斷車(chē)刀切既窄且深的槽，排屑空間小，切屑極易堵塞，為了減小同已加工表面的摩擦，其切削部分的兩側(cè)必須磨有副偏角，因而根部的強(qiáng)度較大削弱。此外，切斷車(chē)刀在切近工件中心處時(shí)，切削速度趨近于零，不利于切削。2、成形車(chē)刀：成形車(chē)刀是加工回轉(zhuǎn)體成形表面的**刀具，其刃形是根據(jù)工件廓形設(shè)計(jì)的，可用在各類(lèi)車(chē)床上加工內(nèi)外回轉(zhuǎn)體的成形表面。用成形車(chē)刀加工零件時(shí)可一次形成零件表面，操作簡(jiǎn)便、生產(chǎn)率高，加工后能達(dá)到公差等級(jí)IT8～I(xiàn)T10、粗糙度為10～5μm，并能保證較高的互換性。徐州鎢鋼車(chē)刀加工</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2252086.html</p></div></div></div></div></div><div id="kuwdkw8" class="page-right twoColRt"><div id="f8m3ikm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="33epbdk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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