He aha ngā Whakaaro Matua mō ngā Pae Rere i te Kerihanga Waro o Longwall?

1. Ngā Whakaaro Rauemi

1. Rino Koranu Kaha-Teitei: Ko te tikanga he maitai waro-teitei (hei tauira, 4140, 42CrMo4) he maitai koranu rānei (hei tauira, 30Mn5) hei whakamahingā pae rererangite roa me te ātete ki te kakahu.

2. Te Pakari me te Āhua: Te whakapakeketanga o te pouaka (hei tauira, te whakakāpū) mō te pakeketanga o te mata, inā koa ngā pito o te pae rere (55-60 HRC) me te matua pakari. Te whakamātao me te whakamahana hei whakataurite i te kaha me te ngāwari.

3. Ātete ki te Waro: Ka whakarei ake ngā tāpiringa pēnei i te chromium, te boron rānei i te ātete ki te ware waro/toka.

4. Ātete ki te Waikura: Ngā paninga (hei tauira, te whakakikorua konutea) me ngā momo kowiri tira i roto i ngā taiao waikura.

5. Āheinga Whakarewa: Ngā momo waro-iti, ngā maimoatanga wera rānei i mua/i muri i te whakarewa hei ārai i te pakarukaru.

2. Tukanga Hanga

1. Tikanga: Te hanga taka-mati kati hei whakarite i te rere o te witi, hei whakarei ake i te pumau o te hanganga. Te hanga pēhi hei whakarite i te tika i roto i ngā āhua uaua.

2. Whakamahana: Ka whakamahanahia ngā pereki ki te 1100–1200°C (mō te maitai) kia ngāwari ai te hanga.

3. Maimoatanga i muri i te Hanga:

4. Te whakataurite i te āhua hei whakamama i te ahotea.

5. Te tinei (hinu/wai) me te whakamahana (300–600°C) kia whiwhi ai i te pakeke e hiahiatia ana.

6. Mīhini: Mīhini CNC mō ngā tūponotanga tika (±0.1 mm).

7. Whakapaipai Mata: Te pupuhi pupuhi hei whakaoho i te ahotea pēhanga me te whakaiti i te ngenge.

3. Tirotiro me te Whakamātautau

1. Tirotiro Tirohanga me ngā Ahu: Tirohia mēnā he pakaru/ngā hapa; whakamahia he calipers/CMM mō ngā ahu tino nui (matotoru, te tūnga o te kōhao).

2. Whakamātautau Pakari: Tauine Rockwell C mō te mata, Brinell mō te uho.

3. NDT: Tirotiro Matūriki Aukume (MPI) mō ngā hapa o te mata; Whakamātautau Ultrasonic (UT) mō ngā hapa o roto.

4. Whakamātautau Utaina (mēnā e tika ana): Tāpirihia te 1.5x o te utaina whakahaere hei whakamana i te pono.

5. Whakamātautau kume: me te tīkitipati mai i te rauemi kotahi me te tukanga hanga me te maimoatanga wera me ngā pae rere, me te whakamātautau kume tauira me/ranei te whakamātautau pānga.

6. Tātaritanga Whakarewa: Mā te karuārai hei tirotiro i te hanganga o te witi me te hanganga o te āhua.

7. Tiwhikete: Te tutuki i ngā paerewa ISO 9001/14001, ASTM rānei.

4. Ngā Wāhi Huihuinga Hira me ngā Mekameka Keri me ngā Sprockets

1. Whakaritenga: Whakamahia ngā taputapu whakarite taiaho hei whakarite kia <0.5 mm/m te peka; ka kore e ōrite te pakaru o te porotiti mēnā he hē te whakarite.

2. Te Whakapūmau: Tino Paimekameka hononga porowhitate kumekume (hei tauira, te roa o te 1–2%) hei ārai i te paheke, i te taumahatanga nui rawa rānei.

3. Whakahinuhinu: Tāpirihia he hinu pēhanga teitei hei whakaiti i te waku me te ārai i te whakapataritari.

4. Te Hononga o te Sprocket: Tauritepūwerote kōtaha niho (hei tauira, DIN 8187/8188) ki te piko o te mekameka keri; tirohia mēnā he pakaru (me whakakapi mēnā he niho angiangi >10%).

5. Whakamau: Whakapirihia ngā pūtu taipana kia rite ki ngā whakaritenga a te kaihanga (hei tauira, 250–300 Nm mō ngā pūtu M20) me ngā matū here-miro.

6. Ngā Tirotiro i mua i te Huihuinga: Whakakapia ngā porotiti/ngā hononga mekameka keri kua tawhito; kia rite te tawhiti o ngā pae rere ki te hoahoa o te kaikawe.

7. Whakamātautau Whai muri i te Huihuinga: Whakahaerehia i raro i te kawenga (2–4 hāora) hei tirotiro mō ngā wiri/haruru rerekē.

8. Ngā Āhuatanga Taiao: Hiritia ngā hononga kei uru te puehu waro/makuku.

9. Aroturuki: Tāutahia ngā pūoko IoT hei aroturuki i te taumahatanga, te pāmahana, me te kakahu i te wā tūturu.

5. Te Tiaki me te Whakangungu

1. Whakangungu Kaimahi: Me aro nui ki te whakahaere tika, ki ngā tikanga taipana, me ngā tikanga whakatikatika.

2. Tiaki Matapae: Ngā matawai pāmahana me te tātari wiri i ia wā hei ārai i ngā hapa.


Wā tuku: Maehe-04-2025

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