565 Каталог MITSUBISHI 2020 Режущий инструмент Фрезы Резцы Сверла Пластины Стр.G013

Каталог MITSUBISHI 2020 Режущий инструмент для станков Стр. G013 0565 Lab2u

SHIM REFERENCE GRAPH (Thread angle 30° and 29°) Right Hand Thread Left Hand Thread Threading Diameter (mm) Threading Diameter (mm) Note 1) When a thread lead angle the tool flank angle, change the shim to prevent side interference with the insert. (Refer to the table below for the calculation of thread lead angle and tool flank angle.) Selection table Lead Angle Opening angle 60755° Right Hand Thread Opening angle 60755° Left Hand Thread Opening angle 30729° Right Hand Thread Opening angle 30729° Left Hand Thread 0 P05 P05 N05 N05 P05 P05 N05 N05 0.5 P05 P05 N05 N05 P05 P05 N05 N05 1 P15 P15 N15 N15 P15 P15 N15 N15 1.5 P15 P15 N15 N15 P15 P15 N15 N15 2 P25 P25 N15 N15 P25 P25 Compatible Compatible 2.5 P25 P25 Compatible Compatible P25 P25 Compatible Compatible 3 P35 P35 Compatible Compatible P35 P35 Compatible Compatible 3.5 P35 P35 Compatible Compatible P35 P35 Compatible Compatible 4 P45 P45 Compatible Compatible P45 P45 Compatible Compatible 4.5 P45 P45 Compatible Compatible P45 P45 Compatible Compatible 5 P45 P45 Compatible Compatible Compatible Compatible Compatible Compatible 5.5 Compatible Compatible Compatible Compatible Compatible Compatible Compatible Compatible Back turning in the case of left hand threads. When replacing a shim, check if the difference between the thread lead angle and shim inclination angle is within: 2.5° 0.5° where thread helix angle is 60° (55°) 2° 1° where thread helix angle is 30° (29°) Inclination angle of a standard shim is 0°. The holder has a 1.5° lead angle. EXAMPLE OF SELECTING A SHIM When the thread lead angle is 2.2° In the case when the thread helix angle is 60° (2,2° lead angle) (2.5 0.5°) = -0.3° 1.7° shim inclination angle is appropriate. Threading with a standard shim (0" inclination angle) is possible. But, replacing with a shim with a 1 ° inclination angle is recommended, refer to Standard Shim List on pages G019 and G028. ln the case when the thread helix angle is 30° (2.2° lead angle) (2 1 °) = -0.2° 1.2° shim inclination angle is appropriate. Replacing with a shim with a 1° inclination angle is recommended, referring to Standard Shim List on pages G019 and G028. CALCULATION OF THREAD LEAD ANGLE a: Lead angle I : Lead n: Number of threads P: Pitch d: Effective diameter of thread RELIEF ANGLE OF AN INSERT SET ON A HOLDER Thread Helix Angle Internal Relief Angle External Relief Angle 60° 8.8° 5.8° 55° 7.9° 5.2” 30° 4.1” 2.7” 29° 4° 2.6° Relief angles ( >, / i) of an insert become small when the thread helix angle of a trapezoidal, round, or other thread is small. Take care when selecting a shim. I nP tana - jjd - jjd Please refer to the "Calculation of Thread Lead Angle" on the website from given QR Code. mm http://www.mitsubishicarbide.com/index.php clD=2884