JP2517928B2 - Hot press machine - Google Patents
Hot press machineInfo
- Publication number
- JP2517928B2 JP2517928B2 JP61253668A JP25366886A JP2517928B2 JP 2517928 B2 JP2517928 B2 JP 2517928B2 JP 61253668 A JP61253668 A JP 61253668A JP 25366886 A JP25366886 A JP 25366886A JP 2517928 B2 JP2517928 B2 JP 2517928B2
- Authority
- JP
- Japan
- Prior art keywords
- pressed
- raw material
- hot
- material powder
- mold
- 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.)
- Expired - Fee Related
Links
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、セラミックスなどの被プレス原料を一軸方
向に押圧し焼結するためのホットプレス装置に係り、特
に単一のプレス製品を連続的に成型できるホットプレス
装置に関するものである。Description: TECHNICAL FIELD The present invention relates to a hot press device for uniaxially pressing and sintering a material to be pressed such as ceramics, and more particularly to a single pressed product continuously. The present invention relates to a hot press device that can be molded into.
［従来の技術］ セラミックスなどのホットプレス処理は、一般に被プ
レス原料粉末を充填した型枠を、密閉容器内に装入し、
真空もしくは不活性ガス電気加熱雰囲気中で一軸方向に
押圧することにより緻密な焼結品を得るものである。[Prior Art] In hot pressing of ceramics and the like, generally, a mold filled with raw material powder to be pressed is placed in a closed container,
A compact sintered product is obtained by pressing in a uniaxial direction in a vacuum or an electrically heated atmosphere of an inert gas.
［発明が解決しようとする問題点］ しかしながら、従来のホットプレス装置は、一室形の
バッチ炉が大部分であり、型枠の装入からガス置換，ホ
ットプレス，冷却を経て型枠の取り出しまでの１サイク
ル中に１個の処理しかできず、生産性，熱効率共に良く
ない。[Problems to be Solved by the Invention] However, most of the conventional hot press apparatuses are single-chamber type batch furnaces, in which the mold is taken out through charging, gas replacement, hot pressing, and cooling. Since only one treatment can be performed in one cycle, the productivity and thermal efficiency are not good.
一方近年多室形の半連続炉が普及しつつあるが、大巾
な生産性向上は期待できず、しかも生産量に比べ設備費
が割高となる傾向がある。トータルメリットが出ている
とは言い難い問題がある。On the other hand, in recent years, multi-chamber type semi-continuous furnaces have become widespread, but significant improvement in productivity cannot be expected, and the equipment cost tends to be higher than the production amount. There is a problem that it is hard to say that the total merits are given.
本発明は、上記事情を考慮してなされたもので、一室
を形成する型枠内で被プレス原料粉末の供給からプレス
製品の取り出しまで、完全連続処理を可能とするホット
プレス装置を提供することを目的とする。The present invention has been made in consideration of the above circumstances, and provides a hot press device capable of completely continuous processing from the supply of raw material powder to be pressed to the removal of a pressed product in a mold forming one chamber. The purpose is to
［問題点を解決するための手段及び作用］ 本発明は、上記の目的を達成するために、一方が被プ
レス原料粉末投入口を形成すると共に他方がホットプレ
ス製品取出口を形成し、かつ被プレス原料粉末を加熱す
る加熱手段を有する筒体状の型枠と、上記投入口から型
枠内に所定量の被プレス原料粉末を投入する被プレス原
料投入手段と、上記投入口側から型枠内に所定ストロー
クで往復移動するように設けられ、上記投入口側から所
定量毎に投入される被プレス原料粉末を順次取出口側の
プレス受台へ押圧すると共にそのホットプレス製品を積
層された状態で順次取出口側のプレス受台へ移動するた
めのプレスラム手段と、上記被プレス原料粉末投入手段
からの原料投入に先立って、先に投入されプレスされた
ホットプレス製品の接触面と型枠内に離形剤を供給する
離型剤供給手段と、上記取出口からプレス受台に排出さ
れたホットプレス製品を取り出すための製品取出装置と
を備えたもので、被プレス原料粉末投入手段より被プレ
ス原料粉末を所定量投入し、プレスラム手段でこれを押
圧し、これを順次繰り返すことで連続してホットプレス
製品を製造でき、しかもプレス原料粉末の投入に先立っ
て離形剤をホットプレス製品の接触面と型枠内に供給す
ることでホットプレス製品同士が付着せず、また型枠内
でのプレス製品をその取出口へ円滑に移動できるように
したものである。[Means and Actions for Solving Problems] In order to achieve the above-mentioned object, the present invention forms one of a raw material powder inlet for pressing and the other forms a hot press product outlet, and A cylindrical mold having a heating means for heating the press raw material powder, a press raw material charging means for charging a predetermined amount of the press raw material powder into the mold from the charging opening, and a mold from the charging opening side. It is provided so as to reciprocate with a predetermined stroke inside, and the raw material powder to be pressed, which is charged in a predetermined amount from the charging port side, is sequentially pressed to the press pedestal on the outlet side and the hot pressed products are laminated. The press ram means for sequentially moving to the press cradle on the outlet side in the state, and the contact surface and the mold of the hot-pressed product that has been previously charged and pressed before the raw material is charged from the above-mentioned raw material powder charging means. A mold releasing agent supplying means for supplying a mold releasing agent into the inside, and a product take-out device for taking out the hot press product discharged to the press cradle from the take-out port are provided. A predetermined amount of raw material powder to be pressed is pressed and pressed by a press ram means, and hot press products can be manufactured continuously by repeating this in sequence. Moreover, a release agent is hot-pressed product before the raw material powder is added. The hot pressed products do not adhere to each other by supplying them to the contact surface of the mold and the mold, and the pressed products in the mold can be smoothly moved to the outlet.
［実施例］ 以下本発明のホットプレス装置の好適一実施例を添付
図面に基づいて説明する。[Embodiment] A preferred embodiment of the hot pressing apparatus of the present invention will be described below with reference to the accompanying drawings.
第１図において、１は密閉容器で、その内が真空或は
不活性ガス雰囲気にされる。容器１内には筒状体からな
る型枠２が設けられ、その外周に加熱室断熱材３を介し
て加熱コイルからなる加熱手段４が設けられる。In FIG. 1, reference numeral 1 denotes a closed container, the inside of which is made a vacuum or an inert gas atmosphere. A mold 2 made of a cylindrical body is provided in the container 1, and a heating means 4 made of a heating coil is provided on the outer periphery of the formwork 2 via a heating chamber heat insulating material 3.
型枠２の上部には原料粉末投入口５が形成され、下部
にはホットプレス製品取出口６が形成される。A raw material powder inlet 5 is formed in the upper part of the mold 2, and a hot press product outlet 6 is formed in the lower part.
この型枠２の原料粉末投入口５側には、投入された被
プレス原料粉末７を押圧するためのプレスラム手段８が
設けられる。A press ram means 8 for pressing the fed raw material powder 7 is provided on the raw material powder feeding port 5 side of the mold 2.
このプレスラム手段８は、型枠２の原料粉末投入口５
内に嵌入するプレスラム９と、そのプレスラム９を所定
ストローク往復動するための押圧シリンダ10とからな
り、押圧シリンダ10が密閉容器１の外側頂部に取り付け
られ、プレスラム９が密閉容器１内で上下往復動するよ
うに設けられている。The press ram means 8 is provided with the raw material powder charging port 5 of the mold 2.
It consists of a press ram 9 fitted inside and a pressing cylinder 10 for reciprocating the press ram 9 by a predetermined stroke. The pressing cylinder 10 is attached to the outer top of the closed container 1, and the press ram 9 reciprocates up and down in the closed container 1. It is designed to move.
密閉容器１の底部にはプレス受台11が設けられ、その
上方のプレスラム手段８とで型枠２内の被プレス原料粉
末７を押圧するようになっている。A press pedestal 11 is provided at the bottom of the closed container 1, and the press ram means 8 above the press pedestal 11 presses the raw material powder 7 to be pressed in the formwork 2.
型枠２の投入口５には、その型枠２内に所定量の被プ
レス原料粉末７を供給する被プレス原料粉末投入手段12
と離形剤13を供給する離形剤供給手段14とが設けられ
る。A raw material powder pressing means 12 for supplying a predetermined amount of raw material powder 7 to be pressed into the mold 2 into the inlet 5 of the mold 2.
And a release agent supply means 14 for supplying the release agent 13.
被プレス原料粉末投入手段12は、型枠２の投入口５の
上部に、かつプレスラム９を包囲するように設けた原料
供給槽15と、密閉容器１の外側に設けられ被プレス原料
粉末７を貯蔵する貯槽16と、その貯槽16に上部仕切弁17
を介して接続されたガス置換室18と、ガス置換室18に下
部仕切弁19を介して接続され、密閉容器１を通し、原料
供給槽15内に臨んだ供給管20とから構成される。The raw material powder feeding means 12 for pressing the raw material powder is provided above the feeding port 5 of the mold 2 and so as to surround the press ram 9, and the raw material powder 7 to be pressed provided outside the closed container 1. A storage tank 16 to be stored and an upper sluice valve 17 in the storage tank 16.
The gas replacement chamber 18 is connected to the gas replacement chamber 18 via a lower sluice valve 19, the supply pipe 20 is passed through the closed container 1 and faces the raw material supply tank 15.
また離形剤供給手段14は、型枠２の投入口５の上部内
周に形成した切欠段部21と原料供給槽15の外周とで離形
剤供給槽22が形成され、その離形剤供給槽22に、密閉容
器１の外側の離形剤貯槽23から離形剤13を供給すべく、
貯槽23より上部仕切弁24,ガス置換室25,下部仕切弁26が
接続され、その下地仕切弁26に離形剤供給槽22に臨んだ
供給管27が接続されて構成される。Further, in the release agent supply means 14, a release agent supply tank 22 is formed by a notch step portion 21 formed in the upper inner circumference of the charging port 5 of the mold 2 and the outer circumference of the raw material supply tank 15, and the release agent is formed. In order to supply the release agent 13 from the release agent storage tank 23 outside the closed container 1 to the supply tank 22,
An upper sluice valve 24, a gas replacement chamber 25, and a lower sluice valve 26 are connected to the storage tank 23, and a supply pipe 27 facing the release agent supply tank 22 is connected to the underlying sluice valve 26.
密閉容器１の底部には、プレス受台11上に排出された
ホットプレス製品28を取り出すための油圧シリンダなど
の取出装置29が設けられ、またその取出装置29で型枠２
から取り外されたホットプレス製品28を密閉容器１外へ
排出するための取出装置29が設けられる。At the bottom of the closed container 1, a take-out device 29 such as a hydraulic cylinder for taking out the hot-pressed product 28 discharged onto the press pedestal 11 is provided.
A take-out device 29 for ejecting the hot-pressed product 28 removed from the outside of the closed container 1 is provided.
この取出装置29は密閉容器１の底部に設けた製品取出
孔31よりなり、その製品取出孔31に上下の仕切弁32,33
が設けられ、仕切弁32,33間にガス置換室34が形成され
たものよりなる。This take-out device 29 comprises a product take-out hole 31 provided at the bottom of the closed container 1, and upper and lower gate valves 32, 33 are provided in the product take-out hole 31.
And a gas replacement chamber 34 is formed between the gate valves 32 and 33.
以上において、型枠２は複数のホットプレス製品28を
順次積層して成型できる大きさに形成され、また加熱手
段４は、型枠２内のホットプレス製品28が所定のヒート
パターンで誘導加熱されるように複数のゾーンに分割さ
れ、夫々のゾーンで温度制御ができるようになってい
る。この加熱手段４は、ホットプレス製品28の加熱時間
と、生産サイクル時間（取り出し周期）との関係によ
り、加熱ゾーンにおけるホットプレス製品28の在室個数
を決め、同時に加熱ゾーンの長さを決定する。In the above, the mold 2 is formed in a size such that a plurality of hot-pressed products 28 can be sequentially laminated and molded, and the heating means 4 causes the hot-pressed products 28 in the mold 2 to be induction-heated in a predetermined heat pattern. It is divided into multiple zones like this, and temperature control can be performed in each zone. The heating means 4 determines the number of hot press products 28 in the heating zone in the heating zone and also determines the length of the heating zone based on the relationship between the heating time of the hot press product 28 and the production cycle time (takeout period). .
また型枠２の取出口６からプレス受台11間は冷却帯35
が形成され、型枠２からホットプレス製品28が露出する
ことで冷却がなされると共に密閉容器１の外側を水冷す
ることで冷却を促進する。この冷却帯35の長さ及び在室
個数は、ホットプレス製品28の冷却時間と取り出し周期
の関係により決定する。Further, a cooling zone 35 is provided between the take-out port 6 of the formwork 2 and the press pedestal 11.
Is formed, and the hot press product 28 is exposed from the mold 2 for cooling, and at the same time, cooling the outside of the closed container 1 with water is accelerated. The length of the cooling zone 35 and the number of rooms in the room are determined by the relationship between the cooling time of the hot press product 28 and the take-out cycle.
ホットプレスを行うには、先ずホットプレス開始時
は、型枠２内は空であるため、プレス受台11上から型枠
２の上部までダミー材（例えば黒鉛）を装入しておき、
そのダミー材上に被プレス原料粉末投入手段12から被プ
レス原料粉末７を所定量供給し、同時に離形剤供給手段
14から離形剤13をそのダミー材上部の型枠２の内面に供
給したのち、プレスラム手段８で被プレス原料粉末７を
押圧し、その後取出装置30でプレス受台11上のダミー材
を一個取り除いたのち、上述のように被プレス原料粉末
７を型枠２内に投入すると共に離形剤13を供給し、プレ
スラム手段８で押圧しこれを順次繰り返すことで略連続
的なホットプレスが行える。To perform hot pressing, since the mold 2 is empty at the start of hot pressing, a dummy material (for example, graphite) is charged from the press pedestal 11 to the upper part of the mold 2,
A predetermined amount of raw material powder 7 to be pressed is supplied from the raw material powder 12 to be pressed onto the dummy material, and at the same time, a release agent supplying means.
After the release agent 13 is supplied from 14 to the inner surface of the mold 2 above the dummy material, the raw material powder 7 to be pressed is pressed by the press ram means 8 and then one dummy material on the press pedestal 11 is taken out by the unloading device 30. After the removal, the raw material powder 7 to be pressed is charged into the mold 2 as described above, the mold release agent 13 is supplied, and the press ram means 8 presses and repeats this sequence in sequence to perform substantially continuous hot pressing. .
被プレス原料粉末７及び離形剤13は、密閉容器１外の
各貯槽16,23から供給されるが、各上下の仕切弁17,24,1
9,26を交互に開閉してガス置換室18,25内の圧力を大気
圧と密閉容器１内の圧力にすることで支障なく供給で
き、またホットプレス製品28も読出装置30で取出孔31へ
移送された後は同様に上下の仕切弁32,33を交互に開閉
してガス置換室34の圧力を調整することで支障なく取り
出せる。The raw material powder 7 to be pressed and the release agent 13 are supplied from the respective storage tanks 16 and 23 outside the closed container 1, but the upper and lower sluice valves 17, 24 and 1 are provided.
By alternately opening and closing 9,26 to make the pressure in the gas replacement chambers 18,25 the atmospheric pressure and the pressure in the closed container 1, it is possible to supply without trouble, and the hot press product 28 can also be taken out by the read-out device 30 at the extraction hole 31. After the transfer, the upper and lower sluice valves 32 and 33 are alternately opened and closed to adjust the pressure of the gas replacement chamber 34, so that the gas can be taken out without trouble.
次に第２〜６図により、このホットプレスの詳細を説
明する。Next, the details of this hot press will be described with reference to FIGS.
第２図は、被プレス原料粉末７を投入し、プレスラム
によるプレスが終えて加熱処理すべきホットプレス製品
28aが型枠２の最上段に位置した状態を示している。FIG. 2 is a hot-pressed product to be heat-treated after the raw material powder 7 to be pressed is charged and the pressing by the press ram is completed.
28a shows a state in which 28a is positioned at the top of the mold 2.
第２図に示すように、プレスラム９の押圧部9aは、原
料供給槽15の下部を覆うような位置Ａにしておき、この
状態で、離形剤供給槽22の下部隙間36に離形剤13を供給
する。次に第３図に示すようにプレスラム９の押圧部9a
を原料供給槽15の上部の拡がったホッパー部15aの位置
Ｂまで上昇させ、その原料供給槽15内に所定量の被プレ
ス原料粉末７を投入し、それをプレスラム９の押圧部9a
で第４図に示すように押圧していく。この押圧に従って
離形剤供給槽22内の離形剤13は、隙間36を通して順次そ
の被プレス原料粉末７と型枠２の内面間に供給される。As shown in FIG. 2, the pressing portion 9a of the press ram 9 is set to a position A that covers the lower portion of the raw material supply tank 15, and in this state, the release agent is placed in the lower gap 36 of the release agent supply tank 22. Supply 13. Next, as shown in FIG. 3, the pressing portion 9a of the press ram 9 is
Is raised to a position B of the hopper portion 15a which is spread above the raw material supply tank 15, a predetermined amount of raw material powder 7 to be pressed is put into the raw material supply tank 15, and it is pressed by the pressing portion 9a of the press ram 9.
Then, they are pressed as shown in FIG. According to this pressing, the release agent 13 in the release agent supply tank 22 is sequentially supplied through the gap 36 between the raw material powder 7 to be pressed and the inner surface of the mold 2.
プレスラム９の押圧部9aを、第５図に示すように型枠
２の上部を塞ぐ位置Ｃまで移動して被プレス原料粉末７
を一定時間圧縮したのち、プレス受台11上のホットプレ
ス製品28を取り除き、第６図に示すように、そのホット
プレス製品28の高さ分に相当する長さの位置Ｄまで押圧
部9aを押し下げ、型枠２内の各ホットプレス製品28を下
方に移動させる。The pressing portion 9a of the press ram 9 is moved to a position C where the upper portion of the mold 2 is closed as shown in FIG.
After compressing for a certain period of time, the hot press product 28 on the press pedestal 11 is removed, and as shown in FIG. 6, the pressing portion 9a is moved to the position D having a length corresponding to the height of the hot press product 28. By pushing down, each hot press product 28 in the mold 2 is moved downward.
その後、押圧部9aを第２図に示す位置Ａまで引き上げ
上述の操作を繰り返す。After that, the pressing portion 9a is pulled up to the position A shown in FIG. 2 and the above operation is repeated.
型枠２内のホットプレス製品28は、押圧成型されたの
ち、加熱手段４を通って加熱処理され、型枠２の取出口
６から密閉容器１内雰囲気に露出し、そのプレス受台11
間の冷却帯35で冷却処理され、プレス受台11の上面に達
して取出装置30で取り出されて取出孔31に移送され、密
閉容器１外に排出し、回収される。The hot-pressed product 28 in the mold 2 is press-molded and then heat-treated through the heating means 4 to be exposed to the atmosphere in the closed container 1 through the take-out port 6 of the mold 2, and the press cradle 11 thereof.
It is cooled in the cooling zone 35, reaches the upper surface of the press receiving table 11, is taken out by the take-out device 30, is transferred to the take-out hole 31, is discharged to the outside of the closed container 1, and is collected.
［発明の効果］ 以上詳述してきたことから明らかなように本発明によ
れば次のごとき優れた効果を発揮する。[Effects of the Invention] As is clear from the above, according to the present invention, the following excellent effects are exhibited.
（１） 型枠内に所定量の被プレス原料粉末を投入して
圧縮し、これを順次繰り返し行うことで連続したホット
プレスが行え、生産性が向上すると共に大量生産が可能
となる。(1) A predetermined amount of raw material powder to be pressed is placed in a mold, compressed, and successively repeated to perform continuous hot pressing, which improves productivity and enables mass production.
（２） 型枠が固定されており、型枠の炉内取込み，取
出しが不要のため、ハンドリングの省力化と共に型枠の
加熱冷却に伴う顕熱損失がなく、熱交率が大巾に向上す
る。(2) Since the mold is fixed and the mold does not need to be taken in or out of the furnace, there is no sensible heat loss due to heating and cooling of the mold as well as labor saving in handling, and the heat exchange rate is greatly improved. To do.
（３） 型枠内に被プレス原料粉末を投入すると共にホ
ットプレス製品が相互に接合しないよう離形剤を投入す
るので、各ホットプレス製品ごと分割して取り出せるた
め、切断工程が不要となると共に型枠内での移動が円滑
にできる。(3) Since the raw material powder to be pressed is put into the mold and the release agent is put so that the hot-pressed products do not bond with each other, the hot-pressed products can be taken out separately and the cutting step is not necessary. Smooth movement within the formwork.
（４） 型枠はコンパクトな一室構造のため、多室形に
比べ設備費が安価であり、ユーティリティ消費量の低減
と生産性の向上により、製品コストの低下に寄与する。(4) Since the formwork is a compact one-chamber structure, the equipment cost is lower than that of the multi-chamber type, and it contributes to the reduction of the product cost by reducing the utility consumption and improving the productivity.
第１図は本発明のホットプレス装置の一実施例を示す全
体断面図、第２図，第３図，第４図，第５図，第６図は
第１図において、ホットプレスを行う場合の１サイクル
の工程を説明する要部断面図である。 図中、２は型枠、４は加熱手段、５は被プレス原料粉末
投入口、６はホットプレス製品取出口、７は被プレス原
料粉末、８はプレスラム手段、11はプレス受台、12は被
プレス原料粉末投入手段、13は離形剤、14は離形剤供給
手段、28はホットプレス製品である。FIG. 1 is an overall sectional view showing an embodiment of the hot pressing apparatus of the present invention, and FIGS. 2, 3, 4, 5 and 6 are shown in FIG. 1 when hot pressing is performed. FIG. 3 is a main-portion cross-sectional view illustrating one cycle of the process. In the figure, 2 is a form, 4 is a heating means, 5 is a raw material powder input port to be pressed, 6 is a hot press product outlet, 7 is a raw material powder to be pressed, 8 is a press ram means, 11 is a press stand, and 12 is Reference numeral 13 is a release agent, 14 is a release agent supplying means, and 28 is a hot press product.
Claims (1)
と共に他方がホットプレス製品取出口を形成し、かつ被
プレス原料粉末を加熱する加熱手段を有する筒体状の型
枠と、上記投入口から型枠内に所定量の被プレス原料粉
末を投入する被プレス原料投入手段と、上記投入口側か
ら型枠内に所定ストロークで往復移動するように設けら
れ、上記投入口側から所定量毎に投入される被プレス原
料粉末を順次押圧すると共にそのホットプレス製品を積
層された状態で順次取出口へ移動するためのプレスラム
手段と、上記被プレス原料粉末投入手段からの原料投入
に先立って、先に投入されプレスされたホットプレス製
品の接触面と型枠内に離形剤を供給する離型剤供給手段
と、上記取出口からプレス受台に排出されたホットプレ
ス製品を取り出すための製品取出装置とを備えたことを
特徴とするホットプレス装置。1. A cylindrical formwork having one heating port for forming raw material powder to be pressed and the other outlet forming a hot-pressed product, and heating means for heating the raw material powder to be pressed; A raw material pressing means for feeding a predetermined amount of raw material powder to be pressed into the form from the mouth, and a predetermined amount provided from the input side into the form with a predetermined stroke in the form. Press ram means for sequentially pressing the raw material powder to be pressed for each of the hot pressed products and sequentially moving the hot-pressed products in a stacked state to the outlet, and prior to the raw material input from the raw material powder input means for pressing , A releasing agent supply means for supplying the releasing agent into the contact surface and the mold of the hot-pressed product which has been previously put and pressed, and the hot-pressed product discharged to the press cradle from the above-mentioned outlet. Heat pressing apparatus is characterized in that a fit of the product take-out apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61253668A JP2517928B2 (en) | 1986-10-27 | 1986-10-27 | Hot press machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61253668A JP2517928B2 (en) | 1986-10-27 | 1986-10-27 | Hot press machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63108191A JPS63108191A (en) | 1988-05-13 |
| JP2517928B2 true JP2517928B2 (en) | 1996-07-24 |
Family
ID=17254513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61253668A Expired - Fee Related JP2517928B2 (en) | 1986-10-27 | 1986-10-27 | Hot press machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517928B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4119978B2 (en) * | 2003-02-25 | 2008-07-16 | 独立行政法人産業技術総合研究所 | Sintering apparatus and sintering method |
| US20060104849A1 (en) * | 2003-02-25 | 2006-05-18 | Shuji Tada | Sintering method and device |
-
1986
- 1986-10-27 JP JP61253668A patent/JP2517928B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63108191A (en) | 1988-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107365057B (en) | Large glass forming object forming device | |
| US4448747A (en) | High density sintering method for powder molded products | |
| CN113664964A (en) | Preparation method and equipment of magnesia carbon brick | |
| JP2517928B2 (en) | Hot press machine | |
| CN107365061B (en) | Cooling molding device with loading/unloading part | |
| JPS6225677Y2 (en) | ||
| JP2779851B2 (en) | Method for producing sintered body and apparatus for producing the same | |
| CN114986970B (en) | High-flux powder pressing control system and high-flux powder pressing method | |
| CN209941054U (en) | Microwave vacuum-briquetting integrated furnace | |
| JPH0976276A (en) | Apparatus and method for molding of resin | |
| CN205870831U (en) | A layering sintered molded utensil for hot pressing stove | |
| CN113084170A (en) | Friction block sintering mold suitable for automatic production and using method | |
| SU1079359A1 (en) | Installation for hot compacting of powder | |
| CN217290411U (en) | Oscillating hot pressing sintering device | |
| RU2037380C1 (en) | Hot pressing method and apparatus | |
| CN209157118U (en) | A kind of sintering equipment for electronic vacuum pump case | |
| JPH06305744A (en) | Apparatus for production of optical element | |
| JPS6241191Y2 (en) | ||
| CN209857628U (en) | Sintering tool for copper infiltrated material | |
| JPS61199002A (en) | Hot press device and operating method thereof | |
| CN109128178B (en) | Vacuum hot pressing equipment | |
| CN210764977U (en) | Lower die with transfer part | |
| CN206663843U (en) | One kind densification hot pressing furnace | |
| CN107586137A (en) | A kind of plastic removal sintering process of piezoelectric ceramics blank | |
| CN101186513B (en) | Device for continuously sintering material product by microwave and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |