Composite substrate machine sewing connection process for circular flexible solar wing of spacecraft

The invention provides a composite substrate machine sewing connection process for a spacecraft circular flexible solar wing. The process comprises the steps that S1, a substrate is prepared; s2, a tensioning force device is installed; s3, solar wing sewing equipment is adjusted; s4, setting parameters of solar wing sewing equipment; s5, testing the X-direction stroke and the Z-direction height of the sewing surface of the solar wing sewing equipment, simulating sewing, and testing whether the sewing tracks are consistent or not; s6, sewing a first stitch by using solar wing sewing equipment; s7, setting a Y-direction displacement value a and an X-direction displacement value b of the sewing machine according to a sewing process procedure; s8, sewing a second stitch by using solar wing sewing equipment; s9, the tensioning force of the solar wing is unloaded; s10, all suture lines are coated with RTV glue, and curing is conducted for 3-10 days; s11, under the unfolding state, the trace side allowance of the su