Go to the main content
★ R&D , Misc.

nib overall shape improved through personal research

by 사용자 Eureka_Admin 2020. 12. 23.

#1 --> not enough bending amount, thought to be an effect of "spring-back" phenomenon.

#2 --> V-bending phenomenon @ skyblue dot, thought to be inevitable.


so far, #1, 2 was wrongly thought to be a consequential result of bending a springy sheet material.


increasing press pressure by 10x improved overall shape.

especially, improving #1 was vital, because when the nib is slitted, a deformation occurs that cause "V type" slitting.

distance of #3 & #4 decreased

#4 is especially important, because the nib has to match the feed.

additional bending procedure was needed to match the feed, in the past.

improvement conclusion:

1) reduced V type slit

2) overall shape closely matching original design

3) improved shape @ #4, increasing production efficiency

4) overall slit width reduced to < 0.1mm, from heart hole to point

5) increased compression of the nib, increases overall springiness

6) increased compression of the nib, increases overall surface hardness

사업자 정보 표시
유레카 | 정상현 | 경기도 남양주시 경춘로 468-40 | 사업자 등록번호 : 608-30-92387 | TEL : 010-4406-4810 | Mail : beatmaster90@naver.com | 통신판매신고번호 : 2018-다산-0077호 | 사이버몰의 이용약관 바로가기