SU178952A1 - - Google Patents
Info
- Publication number
- SU178952A1 SU178952A1 SU752449A SU752449A SU178952A1 SU 178952 A1 SU178952 A1 SU 178952A1 SU 752449 A SU752449 A SU 752449A SU 752449 A SU752449 A SU 752449A SU 178952 A1 SU178952 A1 SU 178952A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- electrode
- suspension
- layer
- ceramics
- hydrochloric acid
- Prior art date
Links
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N Boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052904 quartz Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
Известные способы лить по выплавл емым модел м предусматривают использование сухих (сыпучих) или жидких наполнительных смесей. Литье в нагретые керамические формы с применением св зующего жидкого стекла св зано с продолжительным циклом технологического процесса.Known methods for casting on melted models involve the use of dry (bulk) or liquid filling mixtures. Casting into heated ceramic molds using bonding liquid glass is associated with a long process cycle.
Предлагаемый способ отличаетс от известных тем, что первый и последующий слои керамики выполн ютс из суспензии с повышенным (в 2-5 раз) количеством (0,25- 0,48%) сол ной кислоты, второй слой с 2-5% электродного нека и третий - из суспензии в сочетании 2-5% электродного нека и 4% борной кислоты. Это повышает производительность и улучшает качество отливок.The proposed method differs from the known ones in that the first and subsequent layers of ceramics are made of a slurry with an increased (2-5 times) amount (0.25-0.48%) of hydrochloric acid, the second layer with 2-5% electrode and the third is from suspension in combination of 2-5% electrode and 4% boric acid. This increases productivity and improves the quality of the castings.
Сущность способа заключаетс в следующем: изготовл ют и собирают в модельно-литниковые блоки выплавл емые модели и нанос т на них слон керамики путем окунани в суспензию.The essence of the method is as follows: the produced models are fabricated and assembled into model gating units, and elephant ceramics are applied to them by dipping into a slurry.
Суспензи дл первого сло содерлшт этилсиликат , эфироальдегидную фракцию (или другие растворители), пылевидный кварц, воду , сол ную кислоту и глицерин. Дл второго сло в суснензию дополнительно ввод т 2- 5% электродного нека, а дл третьего сло - 4% борной кнслоты и 2-5 % электродногоThe suspension for the first layer contains ethyl silicate, etherealdehyde fraction (or other solvents), powdered quartz, water, hydrochloric acid and glycerin. For the second layer, 2–5% of the electrode is additionally added to the suspension, and for the third layer, 4% of the boron cell and 2–5% of the electrode
уо борной кнслоты пека.u Boron kslslota pitch.
Предмет изобретени Subject invention
10ten
Способ лнть по выплавл емым модел м в многослойные формы с термореактивными присадками в суспензии на основе пылевидного кварца и гидролизованпого этилсиликатаMethod of melting models in multilayer forms with thermosetting additives in a slurry based on powdered quartz and hydrolyzed ethyl silicate
с добавкой глицерина, отличающийс тем, что, с целью повышени производительности труда и качества отливок, первый и последующие слои керамики выполн ют из суспензии, содержащей 0,25-0,48% сол ной кислоты, второй слой с 2-5% электродного пека и третий - из суспензии в сочетании 2-5% электродного пека и 4% борной кислоты.with the addition of glycerin, characterized in that, in order to increase labor productivity and quality of castings, the first and subsequent layers of ceramics are made of a suspension containing 0.25-0.48% hydrochloric acid, the second layer with 2-5% electrode pitch and the third is from suspension in combination of 2-5% electrode pitch and 4% boric acid.
Publications (1)
Publication Number | Publication Date |
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SU178952A1 true SU178952A1 (en) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0020373A1 (en) * | 1978-12-04 | 1981-01-07 | Caterpillar Tractor Co | Method of making and using a ceramic shell mold. |
US5617912A (en) * | 1904-04-14 | 1997-04-08 | Ballewski; Heinrich | Process for preparing and using a ceramic shell as a casting mold with reducing properties |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5617912A (en) * | 1904-04-14 | 1997-04-08 | Ballewski; Heinrich | Process for preparing and using a ceramic shell as a casting mold with reducing properties |
EP0020373A1 (en) * | 1978-12-04 | 1981-01-07 | Caterpillar Tractor Co | Method of making and using a ceramic shell mold. |
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