ER cho'tkalari barcha asboblarni siqish uchun mos bo'lgan ER8, ER11, ER16, ER20, ER25, ER32, ER40 va ER50 spetsifikatsiyalariga bo'linadi. ER chuck katta siqish kuchiga, keng siqish diapazoniga va yaxshi aniqlikka ega. Zerikarli, frezalash, burg'ulash, teginish, silliqlash va o'yma ishlov berishda keng qo'llaniladi. ER chuck - bu odatda CNC asbob ushlagichlari bilan ishlatiladigan kamon chuck turi.
ER standarti nozik kamon chuckining texnik xususiyatlari:
ER8 yuqori aniqlikdagi chuck siqish diapazoni: PH1, 1,5, 2, 2,5, 3, 3,5, 4, 4,5, 5
ER11 yuqori aniqlikdagi chuck siqish diapazoni: PH1, 1,5, 2, 2,5, 3, 3,5, 4, 4,5, 5, 5,5, 6, 6,5, 7
ER16 yuqori aniqlikdagi chuck siqish diapazoni: PH1, 1,5, 2, 2,5, 3, 3,5, 4, 4,5, 5, 5,5, 6, 6,5, 7, 7,5, 8, 8,5, 9, 9,5, 10
ER20 yuqori aniqlikdagi chuck siqish diapazoni: PH1, 1,5, 2, 2,5, 3, 3,5, 4, 4,5, 5, 5,5, 6, 6,5, 7, 7,5, 8, 8,5, 9, 9,5, 10,11, 11,5, 12, 12,5, 13
ER25 yuqori aniqlikdagi chuck siqish diapazoni: PH1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5,10,10.5,11,11.5,12,12.5,13, 13.5,14,14.5,15,15.5,16,16.5,17
ER32 yuqori aniqlikdagi chuck siqish diapazoni:P2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5,10,10.5,11,11.5, 12,12.5,13,13.5,14,14.5,15,15.5,16,16.5,17,17.5,18,18.5,19,19.5,20,21,22
ER40 yuqori aniqlikdagi chuck siqish diapazoni:P3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5,10,10.5,11,11.5,12,12.5,13,13.5,14,14.5, 1 5,15.5,16,16.5,17,17.5,18,18.5,19,19.5,20,21,22,22.5,23,23.5,24,24.5,25,25.5,26.27.28.29.30
ER50 yuqori aniqlikdagi qisish diapazoni: PH6.8.10.12.14.16.18.20.22.24.25.26.28.30.32.34.36
