Roulette lathe adopts intermediate chain drive mechanism to drive two large diameter throwing discs, symmetrical throwing, no dead angle adjustable speed variable car, left and right displacement, low energy consumption to complete large span turns. Roulette lathe adopts intermediate chain drive mechanism to drive two large diameter throwing discs, symmetrical throwing, no dead angle adjustable speed variable car, left and right displacement, low energy consumption to complete large span turns. Tɛ̈n yenë kä ye kek tɔ̈ɔ̈u thïn, a tɛ̈n yenë riɛl ye kek tɔ̈ɔ̈u thïn, a tɛ̈n yenë riɛl ye kek tɔ̈ɔ̈u thïn, a tɛ̈n yenë riɛl ye kek tɔ̈ɔ̈