JPS58205646A - Removing method of core fins - Google Patents

Removing method of core fins

Info

Publication number
JPS58205646A
JPS58205646A JP8832982A JP8832982A JPS58205646A JP S58205646 A JPS58205646 A JP S58205646A JP 8832982 A JP8832982 A JP 8832982A JP 8832982 A JP8832982 A JP 8832982A JP S58205646 A JPS58205646 A JP S58205646A
Authority
JP
Japan
Prior art keywords
core
powder
granules
container
vessel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8832982A
Other languages
Japanese (ja)
Inventor
Hitoaki Asai
浅井 仁昭
Katsuji Uchimura
勝次 内村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sintokogio Ltd
Shinto Industrial Co Ltd
Original Assignee
Sintokogio Ltd
Shinto Kogyo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sintokogio Ltd, Shinto Kogyo KK filed Critical Sintokogio Ltd
Priority to JP8832982A priority Critical patent/JPS58205646A/en
Publication of JPS58205646A publication Critical patent/JPS58205646A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/18Finishing

Abstract

PURPOSE:To remove fins effectively and surely without damaging the surface of a core, by embedding the core into powder and granules held in the upper part in a vessel, flowing the powder and granules downward and removing the fins. CONSTITUTION:When powder and granules 10 are charged into a vessel 1 and compressed air is supplied therein through an air supply hole 1b, the powder and granules 10 are held in a fluid state. A core 9 is embedded in the powder and granules 10, whereafter the supply of the compressed air is stopped and a cover body 6 is put via a packing 8 on the top surface of the vessel 1 and is held in one body with said vessel. When the head side of a cylinder 4 is communicated with the atmosphere and compressed air is supplied through the air supply hole 6b on the top surface of the body 6 in succession, the powder and granules 10 pass on the surface of the core 9 and flows down into the space part of a vessel 2 segmented by a support plate 3 and a perforated plate 2 while forcing the plate 3 downward. The fins produced on the parting surface of the core 9 are are removed by the flowing-down powder and granules 10 during this time.

Description

【発明の詳細な説明】 本発明はシェルモールド法、或いはホットボックス法な
どによって成形される砂型中子の割面に発生するパリを
除去する方法に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for removing pars generated on the cut surface of a sand mold core molded by a shell mold method, a hot box method, or the like.

従来、この棚のパリ取り方法としては、針金等を用いて
手作業によりパリを取る方法、或いは中子の割面と同形
状の雌型プレートを、中子に対して手動、または自動的
に上・下動させることによってパリを取る方法が知られ
ている。
Conventionally, the deburring method for this shelf has been to manually remove the deburr using a wire or the like, or to attach a female plate with the same shape as the cut surface of the core to the core, either manually or automatically. There is a known method of removing paris by moving it up and down.

しかし、前者においては、手作業によるため工数が大と
なり、作業能率が著しく低下するという欠点がある。ま
た、後者にあっては、中子形状が変わるたびに雌型プレ
ートを変える必要があるという欠点がある。
However, the former method has the disadvantage that it requires a large amount of man-hours because it is done manually, and work efficiency is significantly reduced. Furthermore, the latter method has the disadvantage that it is necessary to change the female plate every time the core shape changes.

そこで、このような従来の欠点を解消するために、最近
、ショットを一定の圧力で中子割面に吹きつけてパリを
除去するショツトブラストによる方法、或いは特公昭5
6−45691号公報に開示されているような、強磁性
体ショットを電磁石で吸引移動させて、中子面を通過さ
せることによってパリを除去する中子のパリ取り方法が
それぞれ提案されている。
Therefore, in order to eliminate these conventional drawbacks, recently a shot blasting method in which shot is sprayed onto the core split surface at a constant pressure to remove the paris, or a
A core deburring method has been proposed, as disclosed in Japanese Patent No. 6-45691, in which a ferromagnetic shot is attracted and moved by an electromagnet, and the deburr is removed by passing the ferromagnetic shot through the core surface.

しかしながら、これらの方法も、前者においては、ショ
ットが吹付は加圧力によって中子面に勢いよく衝突する
ことにより中子面を傷つけることになり、またショット
をゴム等の弾性を有するものにすると、パリが取れにく
くなるといった不具合を生じ、さらに中子が複雑な形状
の場合、多方向の角度から多量にショットを吹きつける
必要があり、中子面を一/m傷つけ易い上にパリ取りに
奇与しないショットが多く、効率が悪(なるという問題
がある。また、後者にあっては、シロットが磁性体lこ
限られるため、高価になること1、さらに多量のショッ
トを電磁力で吸引移動させなければならないため、大き
な電磁力を必要とし、装置が大型化するなどの問題があ
る。
However, with these methods, in the former case, the shot collides with the core surface forcefully due to the pressure applied, damaging the core surface, and if the shot is made of elastic material such as rubber, In addition, if the core has a complicated shape, it is necessary to spray a large amount of shot from multiple angles, which can easily damage the core surface by 1/2 meter, and make it difficult to remove the deburr. There is a problem of poor efficiency as there are many shots that do not affect the shot.Also, in the latter case, the shot is limited to magnetic material, which makes it expensive. This requires a large electromagnetic force, leading to problems such as an increase in the size of the device.

本元明はこれらの問題点に鑑みて成されたものであって
、中子の形状に関係な(、しかも中子面を傷つけること
なく、極めて効果的に、作業能率よく除去することがで
きる中子のパリ取り方法を提供することを目的とするも
のである。
Hongenmei was created in view of these problems, and it can be removed extremely effectively and efficiently without damaging the core surface. The purpose of this invention is to provide a method for removing the burr from a core.

以下に、本発明を図面に示す実施例に基づき詳細に脱明
する。(1)は上端周縁にフランジ部(1a)を突設し
、かつ下面にエアー供給孔(1b)を備えると共に−F
面を開口とした容器で、該容器(1)内の中間位ζd附
近には、複数個の小孔(2a)を貫通穿設した孔明板(
2)が空間部を横断して略水平状に張架してゐる。該孔
明板(2)の上方位16における容器(1)内には、通
気孔(3a)を貫通穿設した支持板(3)が摺動自在に
妖挿してあって、該支持板(3)は、容器(1)の底壁
を摺動自在に貫通して容器(1)内部に突出したシリン
ダ(4)のピストンロッド(4a)先端に固着連績され
ていて、シリンダ(4)の作動により、容器(1)内を
上・下に指動移動できるようになっている。また、前記
通気孔(3a)には、ベントプラグ(5)が埋設されエ
アーのみ通過できるようになっている。(6)は下端周
縁にフランジ部(6a)を突設し、かつ上面中央部にエ
アー供給孔(6b)を備えると共に下面を開口とした蓋
体で、該無体(6)内の下部位置には、複数個の通気孔
(7a)を、貫通芽設した整流板(7)が張架してあっ
て、該蓋体(6)は容器(1)上面にフランジg(S(
la)(6a)同志パツキン(8)を介して図示されな
いクランプ装置により一体状に挾持されている。(9)
は、第5図に示す如く、割面にバ’J (9a)を発生
した中子で、該中子(9)は孔明板(2)上面にf4 
fit支持されている。(10)は砂粒状の粉粒体であ
る。
The present invention will be explained in detail below based on embodiments shown in the drawings. (1) has a flange (1a) protruding from the upper edge, an air supply hole (1b) on the lower surface, and -F
A container with an open surface, and a perforated plate (2a) with a plurality of small holes (2a) formed therein near the middle position ζd in the container (1).
2) is stretched almost horizontally across the space. A support plate (3) having a ventilation hole (3a) formed therethrough is slidably inserted into the container (1) at the upper side 16 of the perforated plate (2). ) is fixedly connected to the tip of the piston rod (4a) of the cylinder (4) which slidably penetrates the bottom wall of the container (1) and protrudes into the inside of the container (1). When activated, it can be moved up and down inside the container (1). Further, a vent plug (5) is embedded in the ventilation hole (3a) so that only air can pass therethrough. (6) is a lid with a flange (6a) protruding from the lower periphery, an air supply hole (6b) at the center of the upper surface, and an opening at the lower surface; A rectifier plate (7) with a plurality of ventilation holes (7a) extending therethrough is suspended, and the lid body (6) has a flange g (S(
la) (6a) They are integrally clamped by a clamping device (not shown) via a comrade packing (8). (9)
As shown in Fig. 5, this is a core with a burr (9a) on the cut surface, and the core (9) has a f4 on the top surface of the perforated plate (2).
Fit is supported. (10) is a powder material in the form of sand grains.

このように構成されたものは、第1図に示す如く、容器
(1)内に粉粒体(10)を投入した状態において、エ
アー供給孔(1b)より圧縮空気を供給すると、該圧縮
空気は通気孔(3a)、ベントプラグ(5)を通って孔
明板(2)の小孔(2a)から粉粒体(10)内に流入
し、粉粒体(10)を流動状態にする。次いで、流動状
態にある粉粒体(10)内に中子(9)を埋設してのら
(第2図の状態)、前記圧縮空気の供給を停止し容器(
1)上面にパツキン(8)を介して蓋体(6)を被−t
1フランジ部(la) (6a)同志、図示されないク
ランプ装714.により一体状に挾持する。
As shown in Fig. 1, when compressed air is supplied from the air supply hole (1b) with the powder (10) in the container (1), the compressed air flows into the granular material (10) through the small hole (2a) of the perforated plate (2) through the ventilation hole (3a) and the vent plug (5), making the granular material (10) in a fluid state. Next, after embedding the core (9) in the fluidized powder (10) (the state shown in Figure 2), the supply of compressed air is stopped and the container (
1) Cover the top surface with the lid (6) via the gasket (8).
1 flange part (la) (6a) Comrade, clamp device 714, not shown. to hold it together in one piece.

つづいて、シリンダ(4)のヘッド(iIgを大気側に
連通し、かつ蓋体(6)上面のエアー供給孔(6b)よ
り圧縮空気を供給すると、粉粒体(10)は中子(9)
面を通って孔明板(2)の小孔(2a)から支持板(3
)を押下げながら支持板(3)と孔明板(2)とによっ
て区画された容器(2)空jtn部に流下移動される。
Next, when the head (iIg) of the cylinder (4) is communicated with the atmosphere and compressed air is supplied from the air supply hole (6b) on the top surface of the lid (6), the powder (10) is transferred to the core (9). )
Through the surface, from the small hole (2a) of the perforated plate (2) to the support plate (3).
) is moved downward into the empty space of the container (2) defined by the support plate (3) and the perforated plate (2).

この際、中子(9)の割面に発生したパリ(911)は
流下移動する粉粒体(10)によって除去される(第3
図の状態)。一方、圧縮空気は通気孔(3a)、ベント
プラグ(5)を経てエアー供給孔(1b)から排気され
る。
At this time, the paris (911) generated on the cut surface of the core (9) is removed by the powder (10) flowing down (the third
state). On the other hand, compressed air is exhausted from the air supply hole (1b) through the ventilation hole (3a) and the vent plug (5).

その後、クランプ装置;′/(図示せず)の作動を解い
て蓋体(6)を取外し、中子(9)を取出す(第4!、
、!JI7>状す)。
After that, the clamp device;'/ (not shown) is released, the lid (6) is removed, and the core (9) is taken out (4th!)
,! JI7>condition).

次;ご、本発明の他の実施例を填6図に基づき脱明する
。 (11)は上端IM縁にフランジ部(ll&)を突
没し、かつF南中央部にエアー供給孔(llb)を4葡
えると共に土間を開口とした容器で、該容器(11)内
の路中1副部には、小孔(12& )をm数個備えた孔
明板(12)が4架しである。該孔明板(12)下方の
容器(11)内には、峻a個の通気孔(13a )を備
えた支持百(13)が摺動8丑に1所挿され、該支持板
(13)は容’9 (1)下向との1mに介在した複数
本のコイルスプリング(14)によって弾性支持されて
いる。該通気孔f’l?、a)tとは、ベントプラグ(
15)が畑設さnエアーのみ通過できるようになってい
る。
Next, another embodiment of the present invention will be explained based on Figure 6. (11) is a container with a flange (ll&) protruding from the upper IM edge, four air supply holes (llb) in the south central part of F, and an opening with an earthen floor. In the first sub-section of the road, there are four perforated plates (12) with several m small holes (12&). In the container (11) below the perforated plate (12), a support plate (13) with a number of sharp ventilation holes (13a) is inserted at one position per eight sliding holes, and the support plate (13) (1) It is elastically supported by a plurality of coil springs (14) interposed at a distance of 1 m from the bottom. The vent f'l? , a) t is the vent plug (
15) is set up in a field so that only n air can pass through.

このようにト1成きれたものは、スプリング(14)に
よって弾性支持された支持板(13)上面に粉粒体(1
0)を投入したあと、エアー囃給孔(llb )より圧
当空気をI仁給Tると、該F+縮全空気通気、孔(13
a)、ベントプラグ(15)’r通って孔明板(2)の
小孔(2a)から粉粒体(10)内に流入し、粉粒体(
10)を流動状態にする。次いで、流動状態にある粉粒
体(1o)内に中子(9)を埋設してのち、前記圧縮空
気の供給を停止し容器(11)上面に蓋体(6)を被せ
、フランジ部(6a) (l1m)同志、図示されない
クランプ装置により一体状に挾持する。つづいて、蓋体
(6)上面のエアー供給孔(6b)より圧縮空気を供給
すると、粉粒体(10)は中子(9)面を通って孔明板
(12)の小孔(12a)からコイルスプリング(14
)に抗して支持板(13)を押下げなから孔明板(12
)と支持板(13)とによって区画された空間部に流下
移動される。そして、パリ(9a)を除去された中子(
9)は孔明板(12)上面に残置される。
The powdered material (1) is placed on the upper surface of the support plate (13) which is elastically supported by the spring (14).
0), and then supplying pressurized air from the air intake hole (llb), the F+condensed air vent, hole (13
a), it passes through the vent plug (15)'r and flows into the powder (10) through the small hole (2a) of the perforated plate (2), and the powder (
10) into a fluid state. Next, after embedding the core (9) in the fluidized powder (1o), the supply of the compressed air is stopped, the lid (6) is placed over the top of the container (11), and the flange (1o) is closed. 6a) (l1m) They are clamped together by a clamping device (not shown). Next, when compressed air is supplied from the air supply hole (6b) on the top surface of the lid (6), the powder (10) passes through the surface of the core (9) and enters the small hole (12a) of the perforated plate (12). From coil spring (14
) and push down the support plate (13) against the perforation plate (12).
) and the support plate (13). And the core (with Paris (9a) removed)
9) is left on the upper surface of the perforated plate (12).

その後、圧縮空気の供給を停j卜すると、コイルスプリ
ング(14)の復元作動によって、支持板(13)と共
に粉粒体(13)は上方に押上げられ、孔明板(12)
上面の中子(9)は、途中、粉粒体(1o)上面に乗せ
替えられて押上げられる(第6図の状隼)。
After that, when the supply of compressed air is stopped, the powder (13) is pushed upward together with the support plate (13) by the restoring action of the coil spring (14), and the perforated plate (12)
The core (9) on the upper surface is transferred onto the upper surface of the powder (1o) and pushed up (as shown in FIG. 6).

また、コイルスプリング(14)に替えて、第7図の如
く、スポンジ状の弾性体(15)としてもよい。
Furthermore, instead of the coil spring (14), a sponge-like elastic body (15) may be used as shown in FIG.

(16)は小孔(16M)を複数個備えた弾性体(15
)の支持板である。なお、ここで前記実施例と同じ構成
のものは同じ番号を附して説明を省略する。
(16) is an elastic body (15
). Components having the same configuration as those in the embodiment described above are given the same numbers and their explanation will be omitted.

また、本発明の他の実庸例を第8図に基づき説明する。Further, another practical example of the present invention will be explained based on FIG.

(17)は下部容器、(18)は複数個の小孔(18a
)を備えた孔明板、(19)は複数個の通気孔(19a
)を備えた下部支持板で、該下部支持板(19)は下部
容器(17)内に摺動自在に嵌挿しであると共に下部容
器(17)の底壁を摺動自在に貫通して下部容器(17
)内部に突出した下部シリンダ(20)のピストンロッ
ド(20a)先端に固着連結されていて、下部シリンダ
(20)の作動により、該下部支持板(19)は下部容
器(17)内を摺動移動されろようになっている。(2
1)は上部容器、該上部容器(21)は下部容器(17
) 上面にパツキン(22)を介してフランジ部(17
a) (21a)同志図示されないクランプ装置により
一体状に挾持されていて、該上部容器(21)内には、
複数個の通気孔(23a )を備えた上部支持板(23
)が摺動自在に嵌挿してあり、該上部支持板(23)は
上部容器(21)の土壁を摺動自在に貫通して上部容器
(21)内部に突出した上部シリンダ(24)のピスト
ンロッド(24a )先端に固着連結されていて、上部
シリンダ(24)の作動により、該上部支持板(23)
は上部容器(21)内を摺動移動されるようになってい
る。
(17) is a lower container, (18) is a plurality of small holes (18a
), (19) has a plurality of ventilation holes (19a
), the lower support plate (19) is slidably inserted into the lower container (17) and slidably penetrates the bottom wall of the lower container (17) to provide a lower support plate. Container (17
) The lower support plate (19) is fixedly connected to the tip of the piston rod (20a) of the lower cylinder (20) that projects inside, and the lower support plate (19) slides within the lower container (17) by the operation of the lower cylinder (20). It's about to be moved. (2
1) is an upper container, and the upper container (21) is a lower container (17).
) Attach the flange part (17) to the top surface through the packing (22).
a) (21a) The upper container (21) contains:
An upper support plate (23) equipped with a plurality of ventilation holes (23a)
) is slidably inserted into the upper support plate (23), and the upper support plate (23) is inserted into the upper cylinder (24) which slidably penetrates the earthen wall of the upper container (21) and protrudes into the inside of the upper container (21). The upper support plate (23) is fixedly connected to the tip of the piston rod (24a) and is moved by the operation of the upper cylinder (24).
is adapted to be slid within the upper container (21).

なお、(17b)はエアー供給孔、(21b)はエアー
排気孔である。また、通気孔(19a) (23a)に
は、それぞれベントプラグ(25)が埋設されエアーの
み通過できるようになっている。
Note that (17b) is an air supply hole, and (21b) is an air exhaust hole. Further, vent plugs (25) are embedded in each of the ventilation holes (19a) and (23a) so that only air can pass therethrough.

また、前記実施例において同じ構成のものは同じ番号を
附して説明を省略する。
In addition, components having the same configuration in the embodiments described above are given the same numbers and the description thereof will be omitted.

このように構成されたものは、前記クランプ装置(図示
せず)の作動を解除して上部容器(21)を取外し、か
つ孔明板(18)上面に中子(9)を載置し、孔明板(
18)と下部支持板(19)との間に形成された空間部
に粉粒体(10)を投入したあと、上部容器(21)を
、再び下部容器(17)上面に前記クランプ装置(図示
せず)により一体状に挾持しく第8図の状態)、次いで
上部シリンダ(24)のヘッド4+4+1を大気側に連
通し、かつエアー供給孔(17b)より圧縮空・ルを供
給すると共に下部シリンダ(20)を伸張作動すると、
粉粒体(10)は流動しながら下部支持板(19)によ
って押上げられ孔明板(18)の小孔(18a)を経て
上部支持板(23)を押上げながら上部支持板(23)
下方の空間部に流入し、孔明板(18)上面の中子(9
)を粉粒体(10)で埋め込む。
With this structure, the operation of the clamping device (not shown) is released, the upper container (21) is removed, the core (9) is placed on the top surface of the perforation plate (18), and the perforation is made. Board (
18) and the lower support plate (19), the upper container (21) is again placed on the upper surface of the lower container (17) by the clamping device (Fig. (not shown), and the head 4+4+1 of the upper cylinder (24) is connected to the atmosphere side, and compressed air is supplied from the air supply hole (17b), and the lower cylinder When (20) is extended,
The powder (10) is pushed up by the lower support plate (19) while flowing, passes through the small holes (18a) of the perforated plate (18), and is pushed up the upper support plate (23) while pushing up the upper support plate (23).
It flows into the space below and the core (9) on the top surface of the perforated plate (18).
) is embedded with powder (10).

一方、圧縮空気は通気孔(23a)、ベントプラグ(2
5)(?経てエアー排気孔(21b)から排気される。
On the other hand, compressed air is supplied through the vent hole (23a) and the vent plug (23a).
5) (?) and then exhausted from the air exhaust hole (21b).

次いで、下部シリンダ(20)を縮引作動すると共に上
部シリンダ(24)を押出し作動すると、粉粒体(10
)は中子(9)面を通り孔明板(18)の小孔(18a
)から下部容器(17)内に押戻される。そして、これ
によって、パリ(9a)は完全に除去されろ。その1鈴
、前記クランプ装N(図示せず)の作動を解除して上部
容器(21)を取外し、中子r9)を取出す。なお、パ
リ(9a)が取れにくい場合には、このような操作を適
当数繰返す。
Next, when the lower cylinder (20) is retracted and the upper cylinder (24) is pushed out, the powder (10
) passes through the core (9) surface and enters the small hole (18a) of the perforation plate (18).
) into the lower container (17). And with this, Paris (9a) will be completely removed. Then, the clamp device N (not shown) is deactivated, the upper container (21) is removed, and the core r9) is removed. Incidentally, if it is difficult to remove the paris (9a), repeat this operation an appropriate number of times.

要するに、本発明は容器内の上部位置に保持した粉粒体
内部に、下面を規制支持して中子を埋め込むと共に1核
中子に対して前記粉粒体を流下移動させて該中子の割面
に発生したパリを除去するようにしたので、粉粒体の移
動エネルギーが中子に効果的に作用し、中子の割面に発
生したパリを効果的に除去できると共に形状が複雑な中
子であっても、表面を傷つけることなく、パリを確実に
除去できるなどの効果を有し、この種の業界に寄与する
効果は著大である。
In short, the present invention embeds a core inside a powder or granule held at an upper position in a container with its lower surface regulated and supported, and moves the powder or granule downward relative to one core. Since the particles generated on the cut surface are removed, the moving energy of the powder particles effectively acts on the core, making it possible to effectively remove the particles generated on the cut surface of the core, and also to remove particles with complex shapes. Even if it is a core, it has the effect of reliably removing pars without damaging the surface, and the effect of contributing to this type of industry is significant.

【図面の簡単な説明】[Brief explanation of drawings]

第1図乃至第4図は本発明の実施例を示す工程肉、第5
図は割面にパリを発生した中子の平面図、第6図乃至第
8図は本発明の他の実塊例を示す断面図である。 (1) (11) (17) (21) :容器 (9
):中子(10) :粉粒体 警NXI              讐2因を3図 
           乎4図讐8(2)
Figures 1 to 4 show process meat and a fifth figure showing an embodiment of the present invention.
The figure is a plan view of a core with cracks formed on the cut surface, and FIGS. 6 to 8 are cross-sectional views showing other examples of actual blocks according to the present invention. (1) (11) (17) (21) : Container (9
): Nakako (10): Powder and Granule Police NXI Enemy 2 Causes 3 Figures
乎 4 图 8 (2)

Claims (1)

【特許請求の範囲】[Claims] 容器内の上部位置に保持した粉粒体内部に、下向を規制
支持して中子を埋め込むと共に該中子に対して前記粉粒
体を流下移動させて該中子の割面に発生したパリを除去
することを特徴とする中子のパリ取り方法。
A core is embedded inside the powder and granular material held at an upper position in the container with downward regulated support, and the powder and granular material is caused to flow down and move relative to the core, thereby causing generation on the cut surface of the core. A method for removing pars from a core, which is characterized by removing pars.
JP8832982A 1982-05-24 1982-05-24 Removing method of core fins Pending JPS58205646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8832982A JPS58205646A (en) 1982-05-24 1982-05-24 Removing method of core fins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8832982A JPS58205646A (en) 1982-05-24 1982-05-24 Removing method of core fins

Publications (1)

Publication Number Publication Date
JPS58205646A true JPS58205646A (en) 1983-11-30

Family

ID=13939838

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8832982A Pending JPS58205646A (en) 1982-05-24 1982-05-24 Removing method of core fins

Country Status (1)

Country Link
JP (1) JPS58205646A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6072638A (en) * 1983-09-06 1985-04-24 ビー アンド ユー コーポレイシヨン Method and device for removing surplus substance from sand mold

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5541856A (en) * 1978-09-21 1980-03-24 Toshiba Corp Transportation of gas centrifugal separator
JPS5630057A (en) * 1979-08-15 1981-03-26 Mazda Motor Corp Deburring method for core

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5541856A (en) * 1978-09-21 1980-03-24 Toshiba Corp Transportation of gas centrifugal separator
JPS5630057A (en) * 1979-08-15 1981-03-26 Mazda Motor Corp Deburring method for core

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6072638A (en) * 1983-09-06 1985-04-24 ビー アンド ユー コーポレイシヨン Method and device for removing surplus substance from sand mold

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