آیا می‌توان همزمان با ساخت قطعات، از طریق کنترل فرایند ماشینکاری، خواص سطحی را نیز ارتقاء بخشید ؟ بررسی تجربی تاثیر متغیرهای سرعت و شدت جریان دستگاه وایرکات بر خواص سطحی فولاد CK45

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشکده مهندسی مکانیک، دانشکدگان فنی دانشگاه تهران، تهران، ایران

2 مهندسی مواد ، دانشگاه صنعتی بیرجند

3 شرکت نانو پارت آسمان شهرستان گناباد

4 گروه مکانیک ، دانشگاه صنعتی بیرجند

5 دانشگاه صنعتی بیرجند

6 دانشگاه گناباد

چکیده
با توجه به اهمیت و کاربرد بالای فولاد CK45 در صنایع امروزی و همچنین کاربردی شدن روش های نوین براده برداری مانند وایرکات، نیاز است تاثیر متغیرهای این روش ها بر خواص فلزات بررسی شود. در این پژوهش به جهت ارتقاء خواص سطحی، همزمان با پروسه ساخت، نمونه‌هایی مکعبی از جنس فولاد CK45 با روش وایرکات ساخته شده و تأثیر متغیرهای سرعت و شدت جریان بر تغییرات خواص سطحی آن شامل سختی، زبری، سایش و خوردگی مورد بحث قرار گرفته است. مقادیر سختی و کاهش وزن بر اثر سایش در نمونه پایه به ترتیب 218 ویکرز و 51/18 میلی‌گرم بوده و در نمونه‌ای با سرعت ساخت 80 و شدت جریان 3 آمپر این مقادیر به 7/247 ویکرز و 62/5 میلی‌گرم رسیده است. بیشترین زبری ایجاد شده در نمونه‌ای با سرعت ساخت 50 و شدت جریان 4 آمپر ثبت شده و بهترین و بدترین نتیجه خوردگی نیز به ترتیب در مقادیر سرعت 50 و شدت جریان 3 آمپر و سرعت 50 و شدت جریان 4 آمپر بوده است.

کلیدواژه‌ها


عنوان مقاله English

Is it possible to improve the surface properties by controlling the machining process at the same time as the parts are made? An empirical study of the effect of speed and flow rate variables of the wire cut machine on the surface properties of CK45

نویسندگان English

Sayyed Mohammad reza Sedehi 1
Mohammadreza Maraki 2
Sayyed Hashem Yazdi 3
Ali Jalali 4
Hadi Ezazdi 5
Mohammad Khosravi 6
1 School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran
2 Department of Materials Engineering Birjand University of Technology, Birjand, Iran
3 Nano Part Aseman Company, Gonabad, Iran
4 Department of Mechanical Engineering, Birjand University of Technology, Birjand, Iran
5 Department of Mechanical Engineering, Birjand University of Technology, Birjand, Iran
6 Department of Mechanical Engineering , Gonabad University , Gonabad, Iran
چکیده English

Considering the importance and high application of CK45 steel in today's industries and the increasing use of modern machining methods such as wire cut EDM, it is necessary to examine the effects of these methods' variables on the properties of metals. In this study, to enhance surface properties during the manufacturing process, cubic samples made of CK45 steel were fabricated using the wire cut method, and the effects of speed and current intensity variables on changes in surface properties including hardness, roughness, wear, and corrosion were discussed. The hardness and weight loss due to wear in the base sample were 218 HV and 18.51 mg, respectively, while in a sample with a manufacturing speed of 80 and a current intensity of 3 amps, these values reached 247.7 HV and 5.62 mg. The highest roughness was recorded in a sample with a manufacturing speed of 50 and a current intensity of 4 amps, and the best and worst corrosion results were observed at a speed of 50 and a current intensity of 3 amps and a speed of 50 and a current intensity of 4 amps, respectively

کلیدواژه‌ها English

CK45 steel
Wire EDM
Corrosion
Wear
Roughness
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دوره 4، شماره 3
پاییز 1403
صفحه 497-512

  • تاریخ دریافت 30 خرداد 1403
  • تاریخ بازنگری 03 مهر 1403
  • تاریخ پذیرش 26 آبان 1403