Bending machine mandrel hnathawh dan tur leh hnathawh dan tur sawihona .

Bending process chhung hian core rod hian a deformation awm lohna turin pipe bending radius chhung lam wall thlawpna hna a thawk ber a ni. Tun dinhmunah chuan mandrel awm lo, mandrel chi hrang hrang, mandrel chi hrang hrang, cylindrical mandrel, universal, double, universal, universal single leh four ball mandrels chi hrang hrang a awm tih hriat a harsa hle. Mandrels, etc. tih a ni.
Pipe bending machine te tak te core rod chu tangent point atanga hla takah a awm a, a hnunglam position-ah a awm chuan bend pawn lama data chu a pumin a stretch thei dawn lo a, chuvangin core rod awmna chuan rebound lian tak a siam ang a, chu chuan angle kimchang chu a ti tlem thei ang a, radius a tisang thei bawk ang, a nih chuan radius chu a lian zawk a nih chuan, a man tur chu a siamrem thei a nih chuan, tangent point chu a tifel thei a nih chuan, a man chu a tizual thei a ni. Keeps breaking, data a harsa lutuk tih a chiang ang a, data harsa lutuk chu a pumin a inzawm thei lo. Problem chu completely annealed pipe. hmangin chinfel theih a ni ang.
Springback control an tih hian bend process leh siam hnua original size-a inthlak leh theihna a kawk a ni. Springback chuan bend-a bending radius angin bending℃chu a tihtlem emaw, a tisang ang emaw chuan bend. a tlangpuiin, bending℃a tlem poh leh springback-a position chu a tlem zawk ang a, a tlem zawk chuan springback compression-a influence chu a thi ang{4}
Pipe bender te tak te pipe chu twist emaw fold emaw a ni ang. Hei hi a chhan chu data a khauh lutuk vang a ni thei a, chuvangin bending lai hian inner diameter a shrunk thei lo. He phenomenon hi mandrel. dahin handle theih a ni.