Bolehkah paip PE panas berputar?

2025-08-19

Dalam pemasangan dan pembinaan paip PE, sambungan panas-lebur adalah proses utama untuk memastikan operasi sistem paip yang selamat dan stabil. Ramai pekerja pembinaan akan menghadapi satu masalah biasa: dapatkah ia berputar apabila paip PE panas (iaitu sambungan panas-cair) berfungsi sebagai paip Masihi yang mempunyai pengalaman luas dalam bidang paip plastik, di sini untuk menghuraikan perkara utama operasi ini secara terperinci.

Pertama sekali, paip PE adalah pada pelbagai peringkat sambungan panas-cair, keperluan untuk "putaran" agak berbeza.

Sebelum sambungan panas-lebur bermula, iaitu, peringkat penyediaan paip dan kelengkapan, permukaan hujung paip PE yang akan disambungkan perlu diselaraskan, ditentukur dan memastikan paksi bertindih. Pada masa ini, untuk mencapai kesan penjajaran yang terbaik, pelarasan sudut kecil yang diperlukan boleh dibuat atau diputar. Tujuannya adalah untuk menjadikan paip sesuai sepenuhnya dengan permukaan kimpalan kelengkapan dan mengelakkan terkehel. Putaran kecil pada peringkat ini adalah sebagai persediaan untuk kualiti kimpalan seterusnya dan dibenarkan, tetapi putaran besar yang tidak perlu harus diminimumkan.

Apabila memasuki peringkat pemanasan formal, iaitu apabila hujung paip PE dipanaskan pada kepala acuan cair panas, dilarang sama sekali untuk memutar paip atau kelengkapan. Paip PE bagi paip AD mempunyai indeks lebur dan kestabilan haba tertentu, dan apabila dipanaskan, adalah perlu untuk memastikan permukaan kimpalan dipanaskan secara seragam untuk membentuk gelang lebur yang seragam. Jika diputar pada masa ini, ia akan menyebabkan pemanasan tidak sekata, menjejaskan integriti dan keseragaman lapisan lebur, seterusnya menjejaskan kekuatan kimpalan, dan boleh menyebabkan bahaya keselamatan seperti kebocoran pada antara muka.

Selepas pemanasan selesai, tiub PE dikeluarkan dari kepala acuan dan didok dengan cepat. Semasa proses "penukaran" ini, tiub harus dikekalkan stabil, dan putaran yang disebabkan oleh daya luaran atau beratnya sendiri harus dielakkan. Semasa dok, tekanan harus digunakan dengan lancar dan sekata sepanjang arah paksi untuk menjadikan kedua-dua muka hujung lebur muat ketat. Proses ini juga tidak membenarkan putaran. Sebarang putaran boleh memesongkan dan menyesarkan lapisan lebur yang telah terbentuk, mengakibatkan kecacatan kimpalan.

Selepas dok selesai, ia akan memasuki peringkat penyejukan tekanan pegangan. Sepanjang proses penyejukan, struktur rantai molekul yang stabil sedang terbentuk pada antara muka paip PE, pada masa ini ia mesti dipastikan bahawa paip dan kelengkapan benar-benar tetap, dan apa-apa bentuk putaran atau pergerakan adalah dilarang sama sekali. Malah putaran kecil boleh memusnahkan sambungan dikimpal yang disejukkan dan memejal, menyebabkan kekuatan antara muka berkurangan, menjejaskan keupayaan galas tekanan dan hayat perkhidmatan keseluruhan sistem paip. Paip

AD mengingatkan anda bahawa kualiti sambungan termi paip PE berkaitan secara langsung dengan kualiti keseluruhan projek saluran paip. Operasi ketat mengikut spesifikasi, genggaman nod utama "sama ada ia boleh berputar" adalah asas untuk memastikan kimpalan kukuh, keselamatan sistem dan ketahanan. Jika anda mempunyai sebarang pertanyaan tentang spesifikasi operasi, adalah disyorkan untuk merujuk kepada garis panduan pembinaan rasmi yang disediakan oleh saluran paip AD atau berunding dengan juruteknik profesional untuk memastikan setiap sambungan yang dikimpal memenuhi piawaian dan membolehkan sistem saluran paip berfungsi secara optimum dalam penggunaan jangka panjang


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