1288051 九、發明說明： 【發明所屬之技術領域】 特別是指一種具有自 本發明是有關於一種除毛邊機 動翻料裝置的管、棒除毛邊機。 【先前技術】、 利心： 經裁切後都會在二端緣產生鐵 利的毛“，且該等毛邊大都是利用研磨方式加以去除。 如圖】、圖2所示’現有一種除毛邊機包含一機竿1、 一安裝在該機架1上的輸送單元2、—對設置在該輸送單元 2外側的研磨單元3、—驅動該輸送單元2的第-馬達4及 -對驅動該等研磨單元3的第二馬達5。該機架！ 座ΗΠ、一對载座1〇2、1〇3、—入料端部1〇4、一:該入料 端部⑽呈相反設置的出料端部1〇5、一對對應該入料端部 且分別設置於該等载座1〇2、1G3上的進料板⑽及— 對分別設置於該等載座1〇2、1〇3且由該入料端部1〇4延伸 至该出料端部1()5的導送板⑽。其中，該載座⑽固定於 該底座1〇1上，且供該第一馬達4安裝，而該載座103則 王可滑動地設置於該底| 1〇1上，可視—工件6之 調節位置。該輸送單元2具有—對分別軸設在該等導^板 上的鏈輪組2G1、_對間隔設置且分職設在該等鍵輪 組201上的鏈條202及多數間隔設置在該鍵條撕上的推 送件203。該等研磨單元3是分別設置在該等載座⑽、 1〇3 ^各―具有—設置該等導送板1G7外側的研磨輪3〇1。 當該第一馬達4驅動該輸送單元2朝—運送方向χ產 1288051 生運轉，且呈管、棒狀之工件6由該進料板1〇6導入機架丄 内部，並受到該等推送件2〇3依序承接、運送時，工件6 就可在沿著該等導送板1〇7 一頂緣滑動的同時，受到該等 研磨輪301之刷動，而達到去除端緣毛邊之目的。1288051 IX. Description of the invention: [Technical field to which the invention pertains] In particular, it relates to a tube and rod deburring machine having the invention of a deburring machine. [Prior Art], good: After cutting, irony hair will be produced at the two end edges, and these burrs are mostly removed by grinding. As shown in Fig. 2, there is an existing edging machine. A transport unit 2, a transport unit 2 mounted on the rack 1, a polishing unit 3 disposed outside the transport unit 2, a first motor 4 driving the transport unit 2, and a pair drive The second motor 5 of the grinding unit 3. The frame! The seat ΗΠ, the pair of carriers 1〇2, 1〇3, the feeding end 1〇4, and the feeding end (10) are arranged oppositely The material end portion 1〇5, a pair of feeding plates (10) and the pair corresponding to the feeding ends and respectively disposed on the carriers 1〇2 and 1G3 are respectively disposed on the carriers 1〇2 and 1〇 3 and extending from the feeding end portion 1〇4 to the guiding plate (10) of the discharging end portion 1() 5. The carrier (10) is fixed on the base 1〇1 and is provided for the first motor 4 Mounting, and the carrier 103 is slidably disposed on the bottom | 1〇1, visible - the adjusted position of the workpiece 6. The transport unit 2 has a pair of sprocket shafts respectively disposed on the guide plates 2G1, _ a chain 202 disposed at intervals and assigned to the key wheel set 201, and a plurality of pushers 203 spaced apart from the key strip. The grinding units 3 are respectively disposed on the carriers (10) 1〇3^ Each has a grinding wheel 3〇1 disposed outside the guiding plate 1G7. When the first motor 4 drives the conveying unit 2 to run in the direction of transportation, 1288051, and is a tube and a rod The workpiece 6 is introduced into the frame 由 from the feeding plate 1〇6, and is sequentially received and transported by the pushing members 2〇3, and the workpiece 6 can be along the guiding plate 1〇7. While the top edge slides, it is brushed by the grinding wheels 301 to achieve the purpose of removing the edge burrs.
雖然這種除毛邊機可達到自動導送及去除毛邊之目的 且右工件6呈圓形時，受到該等推送件203之推送可產 生滾動，可以使工件6二端緣的各部位都可受到研磨，但 :工件6的截面是呈矩形或其他非圓形，且在受到該等推 =件203之推送時，該工件6只能沿該等導送&產生 滑動而不能滾動，且該等研磨輪3Q1都只朝—方向轉動， 以致於卫件6 :輯有些部分並無法受到研磨，也就是說 ，即使利用這種除毛邊機也無法完全地去除毛邊。 【發明内容】 種在運送工件移動 效果之具有自動翻 因此，本發明之目的，即在提供一 時可使工件產生翻轉且可產生較佳研磨 料裝置的管、棒除毛邊機。 於疋，本發明具有自動翻料裝f e叮a σ — Tt衣置的官、棒除毛邊機 疋可使主官、棒之工件位移且自動 勒|示毛邊，並包含一機 、一安裝在該機架上的輸送單元、一訊 叹置在該輪送簟开 側的翻料裝置及一對設置在該翻料 兮振加1古 、置侧的研磨單元 邊枝木具有一入料端部及一與該 、/八枓柒部呈相反設詈的 料端部。該輸送單元是由該入料 俨、w結、，曰▲ 而邛朝該出料端部產生 %運轉，亚具有多數間隔設置且可 座 〇兮釦Μ壯罢B ‘ 矛夕工件位移的推送 忒翻枓袅置具有二分設在該輪送 早凡兩側的導板及二 1288051 等導板之彈性壓制件’該等導板各具有一頂面及多數 頁面凹設的凹槽，該等凹槽呈v μ’並各具有一第一 抵葬面及-與§亥第一抵靠面相鄰且相對設置呈—失 ==該等彈性壓制件對應該輸送單元且可由該入料 =權端部產生運轉，並各具有一與頂面相對且彈 件上的抵壓側。該第—馬達Μ時驅動該輸送 枓裝置。該等研磨單元各具有—設在該等導板 研磨。輪4寺研磨輪㈣動可相對於工件端緣刷動 藉此，利用該輸送單元與該翻料裝置的配合， 磨管：棒狀之工件在位移的同時可產生翻轉，並利用該等； 彦早7L可產生較佳之除毛邊效果。 【實施方式】 有關本I明之月述及其他技術内容、特點與功效 以下配合參考圖式之一個較佳實施例的詳 清楚的呈現。 以將可 如圖3、圖4及圖5所示，本發明具有自動 管、棒除毛邊機較佳實施例，是可使呈管、棒狀之工二 位移且自動除毛邊’以下是喊面呈長方形之卫件 以說明’該除毛邊機、包含一機架10、一安裝在該機架丨。： 3^^早1 2G、—設置在該輸送單元2〇 -側的翻料裝置 °、一15動該輸送單元2G及翻料裝置3G的第—馬達 :對設，在該翻料裝置30 一側的研磨單元5〇、—對驅動該 寻研磨H 50的第二馬達6G、—可難該輪送單元如寬 1288051 度的第一調整單元70、二 了凋王遠專研磨單元5 0與工件 100之距離的第二調整罩亓 早兀80及二可調整該等研磨單元50 相對於X件HK)之高度的第三調整單元9〇。 :機架1〇具有-底座11、-設於該底座η其中一側 的固定載座12、一對膺今 口疋载座12且可滑動地設於該底 座11另一側上的可動載庙n 一入料鳊部14、一與該入料 端部14呈相反設置的出粗 科^ α卩1 5、一對對應該入料端部 14分別設置於該固定載座1 執产丄12及可動載座13的進料板16、Although the edging machine can achieve the purpose of automatically guiding and removing the burrs and the right workpiece 6 is circular, the pushing of the pushing members 203 can generate rolling, so that the parts of the two end edges of the workpiece 6 can be received. Grinding, but: the cross-section of the workpiece 6 is rectangular or other non-circular, and when pushed by the pusher 203, the workpiece 6 can only slide along the guides & The grinding wheel 3Q1 is only rotated in the - direction, so that the part 6 of the guard 6 cannot be ground, that is to say, the burr cannot be completely removed even by using the edging machine. SUMMARY OF THE INVENTION It is an object of the present invention to provide a tube and rod deburring machine that can cause a workpiece to be turned over and which can produce a better abrasive device. Yu Yu, the invention has an automatic flipping device fe叮a σ — Tt clothing, the official and the bar deburring machine can displace the main official and the bar workpiece and automatically display the burrs, and include one machine and one machine. a conveying unit on the frame, a turning device disposed on the side of the wheel feeding side, and a pair of grinding units disposed on the side of the turning element and the side of the grinding unit have a feeding end The part and the end of the material opposite to the and the gossip. The conveying unit is made up of the feed 俨, w knot, 曰 ▲ and 邛 产生 % 邛 该 该 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生 产生The 忒 flip device has two guide plates disposed on the two sides of the wheel and two elastic plates of the 1288051 guide plates, and each of the guide plates has a top surface and a recess of a plurality of pages. The grooves are v μ′ and each have a first commensal surface and are adjacent to the first abutment surface of the § hai and are oppositely arranged to be —== the elastic pressing members correspond to the conveying unit and can be fed by the The weight ends operate and each has a pressure side opposite the top surface and on the spring. The first motor-driven device drives the transport device. Each of the polishing units has - a grinding on the guide plates. The grinding wheel (4) of the wheel 4 can be swiped relative to the edge of the workpiece, thereby utilizing the cooperation of the conveying unit and the turning device, the grinding tube: the rod-shaped workpiece can be reversed while being displaced, and the utility model is utilized; Yan Yan 7L can produce better deburring effect. [Embodiment] The present invention is described in detail with reference to a preferred embodiment of the present invention. As shown in FIG. 3, FIG. 4 and FIG. 5, the present invention has a preferred embodiment of the automatic tube and rod deburring machine, which can make the tube and the rod-shaped work two displacements and automatically remove the burrs. The face is in the shape of a rectangular guard to illustrate 'the deburring machine, including a frame 10, and one mounted on the frame. : 3 ^ ^ early 1 2G, - the turning device set on the side of the transport unit 2, the first motor of the transport unit 2G and the turning device 3G: opposite, in the turning device 30 The grinding unit 5〇 on one side, the second motor 6G that drives the grinding H 50, may be difficult to rotate the unit, such as the first adjusting unit 70 having a width of 1288051 degrees, and the grinding unit 5 0 The second adjustment cover 与 80 and the second adjustment unit 9 可 which can adjust the height of the grinding unit 50 relative to the X piece HK). The rack 1 has a base 11 , a fixed carrier 12 disposed on one side of the base η, a pair of movable ports 12 and a movable load slidably disposed on the other side of the base 11 The temple n is a feeding rafter 14, a slab which is opposite to the feeding end 14 and a pair of corresponding feeding ends 14 are respectively disposed on the fixed carrier 1 12 and the feeding plate 16 of the movable carrier 13
一對分別設置於該固定載座1 軾丛12及可動载座13且由該入料 端部14延伸至該出料端部1 ^ 叶鲕口丨15的導迗板17及一對應該出料 端部丨5且軸設於該等導送板丨7上的軸桿18。 。亥輸运單（2G具有—對分別軸設在該等導送板一 内側面的鏈輪組21、—·隔設置且分職設在該等鍵輪 組21>上的鏈條22及多數間隔設置在該等鏈條22上且可推 移該等工件⑽位移的推送件23，且該等鏈輪組Μ可帶動 該等鏈條22同步地由該入料端部14朝該出料端部15且沿 -運达方向X產生運轉，每—鏈輪组21都具有三個鏈輪， 其中對稱設置在該出料端部15的—鏈輪是受該轴桿18 帶動。 該翻料裝置30具有二固設在該等導送板17頂部且分 設在該等鏈條22外側的導板31、—對對應該等導板31 : 分別軸設在該固定載座12及可動載座13上的傳動輪組^ 及二分別繞設在該等傳動輪組32上且對應該等導板3ι之 彈性壓制件33。該等導板31各具有一頂面3ιι及多數由該 1288051 ，面叫凹設的凹槽312，該等凹槽312呈v型且各呈有— 二：！？1…與該第一抵靠面3i”目鄰且相對設置 :二八的弟二抵靠面314。每一傳動輪組32具有二個傳 兩’分別對應該入料端部14及出料端 厂 疋制皮帶，對應該㈣條22且可 Μ朝該出料端部15產生運轉，並ή + 建轉亚各具有一與該等頂面311 Ή且祕抵#在該等卫件⑽上的抵鞋331，在 恶下’該等抵«側331是以彈性抵止在該頂面311上。 該第-馬達40是安裝於該固㈣座12上，並可驅動 軸幹18且帶動該輸送單元2〇之鏈輪組21、鏈條η產 :=利用二齒輪41、42及二皮帶輪……吏該翻料 衣置30之傳動輪組32、彈性壓制件33產生運轉，該齿輪 41疋與其中—鏈輪同軸連動’並售合傳動該齒輪42,與; 齒輪42同軸連動的皮帶輪43會傳動與其中_傳動輪同: 的皮帶輪44，利用該齒輪41外徑大於該齒輪42，或 帶輪43外徑大於該皮帶輪44,可使該等彈性壓制件3 運轉速度大於該鏈條22的運轉速度。 ' 該等研磨單元50是分別設置在該固定載座12及可動 載座u上，各具有-設置在該等導送板17外側的研磨^ 51 ’該等研純51卩採用鋼刷輪，且受驅動時可相對於; 等工件100端緣刷動研磨。 、以 該第二馬達60是可驅動該等研磨單S5Q ^ 產生轉動。 Μ 51 該第一調 整單7G 70具有一樞設在該可動載座u 的齒 9 1288051 ^1、-驅動該齒輪71料輪72及一設於該底座u且供 哺合的齒車九73，該第一調整單元7〇可驅動該可 ^ ^沿垂直於該運送方向X之橫方向I產生滑動，以 刀別適用於不同長度的工件1〇〇。 動載=調整單元/°分別安裝在該固定载座12及可 .亚可驅動該等研磨輪51及第二馬達 ％ =橫方向！相對於工件⑽產生位移，以補償該等研^ 51之磨耗。 于唧Θ粬 。邊寺第三調整單元9〇分別安裝在該固㈣座12及該 〇載座13上’並可驅動該等研磨輪51及第一馬達6〇沿 一垂直於該運行方肖χ及該橫方向I的縱方向η相對於工 件1〇〇產生昇降，以微調該等研磨輪51接觸工件⑽的位 置。 二 圖3所示，®忒第一馬達40驅動該輸送單元2〇 朝該運送方向χ產生運轉，且呈f、棒狀之卫件⑽由該 進料板16導入機架1〇内部，並受到該等推送件u依序承 工件1〇°就可沿著該等導送板17 -頂緣滑動 至5玄寺V板31的頂面311±，並受到研磨輪51的研磨，而 達到去除端緣毛邊之目的。且在進行研磨的同時，該等工 件100受該等推送件23的運送，在對應於該等凹槽312時 /會落入該等凹# 312並使其中—側面抵止在該第一抵 罪面β313± (如圖6之實線所示），且該等彈性壓制件33 的抵壓側331都—直以彈性壓制在該等工件100上，並利 用該等彈性壓制件33的運轉速度大於該等鏈條22的運轉 10 1288051 速度之仙’則可使得該等王件丨⑻會在該等凹槽川中 翻轉，且使得另一側面抵止在該第二抵靠面川1 (如圖6 之假想線所示），翻轉後的工件⑽又會受到該等推送件23 的運送而繼續朝運送方向X移動’且利用該等凹槽312的 设置，可使得該等工件⑽可在運送的同時進行多次翻轉 ，並受到該等研磨輪51之研磨，所以可使工件1〇〇端緣各 部位都可受到研磨，而可產生較佳之去毛邊效果。 惟以上所述者，僅為本發明之較佳實施例而已，當不 ，以此限^本發明實施之範圍’即^依本發明中請專利 範圍及發明說明内容所作之簡單的等效變化與㈣，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1疋現有一種除毛邊機的侧視組合示意圖； 圖2疋忒種除毛邊機的俯視組合示意圖·， 壯圖3是一侧視組合示意圖，說明本發明具有自動翻料 勺盲棒除毛邊機的一較佳實施例； 圖4疋本發明上述較佳實施例之一俯視示意圖·， 〜、圖5疋本發明上述較佳實施例之一部分立體分解圖， 兒月翻料裝置與一輸送單元搭配設置；及 圖6疋本發明上述較佳實施例之一操作示意圖，說明 件可在運送時產生翻轉。 1288051a pair of guide plates 17 respectively disposed on the fixed carrier 1 truss 12 and the movable carrier 13 and extending from the feeding end portion 14 to the discharge end portion 1 ^ 鲕 丨 15 The end portion 丨5 and the shaft 18 is disposed on the guide plate 丨7. . The transport list (2G) has a sprocket set 21, which is respectively disposed on the inner side of the guide plate, and a chain 22 and a plurality of intervals which are disposed on the key wheel set 21> Pushing members 23 disposed on the chains 22 and displacing the workpieces (10), and the sprocket sets can drive the chains 22 synchronously from the feed end 14 toward the discharge end 15 and The operation is performed along the direction of arrival X, each of which has three sprocket wheels, wherein the sprocket symmetrically disposed at the discharge end portion 15 is driven by the shaft 18. The turning device 30 has Two guide plates 31 fixed on the top of the guide plates 17 and disposed outside the chain 22, and corresponding guide plates 31 are respectively disposed on the fixed carrier 12 and the movable carrier 13 The transmission wheel sets ^ and 2 are respectively wound around the transmission wheel sets 32 and correspond to the elastic pressing members 33 of the guide plates 3ι. The guide plates 31 each have a top surface 3 ιι and a plurality of the 1288051, the surface is concave a groove 312 is provided, and the grooves 312 are v-shaped and each has a -2:!?1... and the first abutment surface 3i" is adjacent to each other and is oppositely disposed: two of the two The bottom surface 314. Each of the transmission wheel sets 32 has two transmissions respectively corresponding to the feeding end portion 14 and the discharge end factory belt, corresponding to the (four) strip 22 and being operable toward the discharge end portion 15 And ή 建 建 建 建 建 建 建 建 建 建 建 建 建 建 311 311 311 311 311 在 在 在 在 在 在 在 在 在 在 在 在 在 在 在 在 在 在 在 331 331 331 331 331 331 331 331 331 331 331 331 The first motor 401 is mounted on the solid (four) seat 12, and can drive the shaft trunk 18 and drive the sprocket set 21 of the transport unit 2, and the chain η produces: = utilizes two gears 41, 42 And the two pulleys... The transmission wheel set 32 and the elastic pressing member 33 of the turning clothes 30 are operated, the gear 41 is coaxially coupled with the sprocket and the gear 42 is sold and coaxialed with the gear 42 The interlocking pulley 43 transmits a pulley 44 which is the same as the _transmission wheel, and the outer diameter of the gear 41 is larger than the gear 42, or the outer diameter of the pulley 43 is larger than the pulley 44, so that the elastic pressing member 3 can be operated faster than The operating speed of the chain 22. The polishing units 50 are respectively disposed on the fixed carrier 12 and the movable carrier u, each having - The grinding machine 51 disposed on the outer side of the guide plate 17 is a steel brush wheel, and can be driven to be polished relative to the end of the workpiece 100 when driven. The second motor 60 is The grinding table S5Q^ can be driven to generate rotation. Μ 51 The first adjustment sheet 7G 70 has a tooth 9 1288051 ^1 pivoted on the movable carrier u, - a driven gear 71 of the gear 71, and a The base u and the feeding gear 903, the first adjusting unit 7 驱动 can drive the sliding in the transverse direction I perpendicular to the conveying direction X, so that the knives are suitable for workpieces of different lengths. Hey. Dynamic load = adjustment unit / ° is mounted on the fixed carrier 12 and can be driven by the grinding wheel 51 and the second motor % = horizontal direction! A displacement is generated with respect to the workpiece (10) to compensate for the wear of the grinding machine. Yu Yu. The third adjustment unit 9〇 of the side temple is respectively mounted on the solid (four) seat 12 and the crucible carrier 13 and can drive the grinding wheels 51 and the first motor 6 along a direction perpendicular to the running side and the horizontal The longitudinal direction η of the direction I is raised and lowered with respect to the workpiece 1 to finely adjust the position at which the grinding wheels 51 contact the workpiece (10). As shown in FIG. 3, the first motor 40 drives the transport unit 2 to operate in the transport direction, and the f-bar-shaped guard (10) is guided into the frame 1 by the feed plate 16 and After the workpieces are sequentially received by the pushing member u, the top surface 311± of the 5th temple V plate 31 can be slid along the top edge of the guiding plate 17 and the grinding wheel 51 is ground by the grinding wheel 51. Remove the edge of the edge. And while the grinding is being performed, the workpieces 100 are transported by the pushing members 23, and when they correspond to the grooves 312, they may fall into the concaves 312 and cause the side to be resisted at the first sin The surface β313± (shown by the solid line in Fig. 6), and the pressing side 331 of the elastic pressing members 33 are elastically pressed onto the workpieces 100, and the operating speed of the elastic pressing members 33 is utilized. More than the operation of the chain 22, 12 1288051, the speed of the fairy, can cause the king pieces (8) to flip in the grooves, and the other side to resist the second abutment surface 1 (Figure The imaginary line of 6 shows that the inverted workpiece (10) is again transported by the pusher 23 and continues to move in the transport direction X. With the arrangement of the grooves 312, the workpieces (10) can be transported. At the same time, the inversion is repeated a plurality of times, and is subjected to the grinding of the grinding wheels 51, so that the respective edges of the workpiece 1 can be ground, and a better deburring effect can be produced. However, the above is only the preferred embodiment of the present invention, and if not, the scope of the present invention is limited to the simple equivalent change of the patent scope and the description of the invention in the present invention. And (4) are still within the scope of the patent of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side view combination diagram of a conventional edging machine; Fig. 2 is a top view combination diagram of a burr removing machine, and Fig. 3 is a side view combination diagram, illustrating that the invention has an automatic turning BRIEF DESCRIPTION OF THE DRAWINGS FIG. 4 is a top plan view of a preferred embodiment of the present invention, and FIG. 5 is a partially exploded perspective view of a preferred embodiment of the present invention. The turning device is arranged in combination with a conveying unit; and FIG. 6 is a schematic view showing the operation of the above preferred embodiment of the present invention, and the indicating member can be turned over during transportation. 1288051
【主要元件符號說明】 100…… ♦工件 314… 弟-—抵罪面 10 -…… ，機架 32 …·* •…傳動輪 11…♦•… •底座 33 •…· •…彈性壓制件 12 · •固定載座 331 •…抵壓側 13........ ♦可動載座 40 …，· …·第一馬達 14........ •入料端部 41 …·. …·齒輪 15........ •出料端部 42 "… …♦齒輪 16 ♦…·… 進料板 43 ··… •…皮帶輪 17........ •導送板 44 ·…· •…皮帶輪 18 "…… *軸桿 50 *·… •…研磨單元 20 *…… •輸送單元 51 "… •…研磨輪 21……，· ♦鏈輪組 6〇 ·…· …·第二馬達 22 *'·* — *· ，鏈條 70 "… …·弟 调整單元 23…♦…· •推送件 71 .·… •…齒輪 •運送方向 72 ·.··· …·手輪 ^ Π……" 7 ^..... .,...it- άΐ. j U / J 茴軌 1 *^****** •導板 80 *…· •…第二調整單元 311…… •頂面 工····. —*核方向 312…… *凹槽 90 ***** •…第三調整單元 3 1 3…… •第一抵靠面 Π … •…縱方向 12[Description of main component symbols] 100... ♦ workpiece 314... brother - guilty face 10 - ..., frame 32 ...·* •...drive wheel 11...♦•... • base 33 •...· •... elastic press 12 · • Fixed carrier 331 •...Repressed side 13........ ♦ Movable carrier 40 ..., ..... First motor 14........ • Feeding end 41 ...· ...·Gears 15........ • Discharge end 42 "... ♦ Gear 16 ♦...·... Feed plate 43 ··... •... Pulley 17........ • Guide plate 44 ·...· •... Pulley 18 "...... *Axis 50 *·...•...Abrasion unit 20 *... •Transport unit 51 "... •...grinding wheel 21...,· ♦ sprocket set 6〇·...·...·Second motor 22 *'·* — *· , chain 70 "...the young adjustment unit 23...♦...··Pushing member 71 .·... •...Gear • Shipping direction 72 ·. ··· ...·Handwheel ^ Π..." 7 ^..... .,...it- άΐ. j U / J 茴 rail 1 *^****** • Guide 80 *... · •...Second adjustment unit 311... •Top work····. —*Nuclear direction 312... * A third groove 90 ***** • ... adjusting unit 3 1 3 ...... • first abutment surface longitudinally Π ... • ... 12