| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection molding die and its incorporating method for incorporating an insert die easily without damaging an optical element forming face regardless of the degree of skill of a worker even for the insert die of small diameter. SOLUTION: When a small diameter section 2A of an insert die 2 having the small diameter section 2A with an optical element forming face 2a and a large diameter section 2B larger than the small diameter section 2A is fitted into a fitting hole 3a of a sleeve 3, an insert die guide pin 5 provided on the sleeve 3 is fitted into a guide hole 2b formed on the large diameter section 2B of the insert die 2, and the position of the small diameter section 2A of the insert block 2 is registered with the position of the fitting hole 3a of the sleeve 3, and then the small diameter section 2A is inserted into the fitting hole 3a. |
