Mengapa resliting melengkung/menggelembung sesudah dipasang?
Periksa apakah tegangan jahit di kedua sisi rel sama. Jika hal ini hanya terjadi sesudah resliting ditekan, periksa apakah terdapat bagian kain yang mengerut atau jika terdapat kain lapisan.
Mengapa resliting melengkung sesudah dijahitkan ke produk garmen?
Spiral/coil zips have an S twist and Z twist in the teeth creating a “smile” or “frown” appearance when the teeth are joined. The left and right teeth should be both in the same direction/condition. If this is not the problem check the sewing tension is equal on both sides of the zip.
Bagaimana mencegah gigi terlihat menonjol di atas kain?
Ganti resliting dengan resliting dan kepala resliting jenis jahitan terbalik.