撥叉80一08的加工工藝及夾具設(shè)計(jì)全套本科畢業(yè)設(shè)計(jì)
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- 撥叉80-08的加工工藝及夾具設(shè)計(jì)全套本科畢業(yè)設(shè)計(jì) ABSTRACT
This design is a lather to become soon an appropriation for inside pulling out fork spare parts processing craft rules distance and some work prefaces tongs design.This pull out the construction of the fork spare parts than for complicacy, its the place that process is a peaceful in bore primarily.This design processes after processing first the bore.Process with flat surface the clear and definite dividing the line the bore the coarseness processes to process with the nicety the stage to guarantee their process the precise degree.The basis choice to pull out rough basis of conduct and actions of the biggest flat surface of the right in fork, process the in the center in general use bore, then be used as the precise basis with the bore that processed.Processing primarily work preface arrangement is first to process a flat surface with the center bore fixed position with the right side flat surface and below big bore of two flat surface, again with center bore the fixed position processes the big bore that carry down.While processing is to use the boring machine boring bore.Regard these two bores as the basis finally, process the right-hand slot respectively with the thread bottom bore of the a.Whole processes the process chose to use to the drill machine, miller with the boring machine .The tongs chooses to use the appropriation tongs, clipping tight way as to move to clip tight, clip tight and dependable, operation convenience.Therefore produce the efficiency higher, be applicable to the large quantity measures, the flowing water is on-line to process.Can satisfy the design request.
Keywords Process the craft，F(xiàn)ixed position，Clip tight，Appropriation tongs
目 錄
摘 要 Ⅰ
Abstract Ⅱ
1 緒論 1
1.1課題背景 1
1.2夾具的發(fā)展史 1
1.3小結(jié) 2
2 撥叉80-08的加工工藝規(guī)程設(shè)計(jì) 3
2.1零件的分析 3
2.1.1零件的作用 3
2.1.2零件的工藝分析 3
2.2確定生產(chǎn)類(lèi)型 3
2.3確定毛坯 3
2.3.1確定毛坯種類(lèi) 3
2.3.2確定鑄件加工余量及形狀 3
2.3.3繪制鑄件零件圖 4
2.4工藝規(guī)程設(shè)計(jì) 4
2.4.1選擇定位基準(zhǔn) 4
2.4.2制定工藝路線 4
2.4.3選擇加工設(shè)備和工藝設(shè)備 6
2.4.4機(jī)械加工余量、工序尺寸及公差的確定 6
2.5確定切削用量及基本工時(shí) 8
2.5.1工序1：粗銑Φ25H7的兩側(cè)面 8
2.5.2工序2：粗銑平下端面孔側(cè)面的工藝凸臺(tái) 9
2.5.3工序3：鉆Φ25H7的通孔 9
2.5.4工序4：擴(kuò)Φ25H7的通孔 11
2.5.5工序5：鉸Φ25H7的通孔 12
2.5.6工序6：粗銑a、b面 12
2.5.7工序7：粗銑Φ60H12孔的兩面 14
2.5.8工序8：精銑Φ60H12孔的兩面 14
2.5.9工序9：粗鏜下端Φ60H12的孔 15
2.5.10工序10：半精鏜下端孔到Φ60H12 16
2.5.11工序11：粗銑16H11的槽 16
2.5.12工序12：半精銑16H11的槽 17
2.5.13工序13：鉆Φ20.50的孔 18
2.5.14工序14：攻M22×1.5的螺紋 19
2.5.15工序15：銑開(kāi)Φ60H12的孔 20
2.6本章小結(jié) 21
3 專(zhuān)用夾具設(shè)計(jì) 22
3.1鏜孔夾具設(shè)計(jì) 22
3.1.1問(wèn)題的提出 22
3.1.2夾具的設(shè)計(jì) 22
3.2銑槽夾具設(shè)計(jì) 25
3.2.1問(wèn)題的提出 25
3.2.2夾具的設(shè)計(jì) 25
3.3鉆孔夾具設(shè)計(jì) 29
3.3.1問(wèn)題的提出 29
3.3.2夾具的設(shè)計(jì) 30
3.4本章小結(jié) 35
結(jié)論 36
參考文獻(xiàn) 37
致 謝 38
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