MANUFACTURING TECHNOLOGY of BIMETALLIC CASTINGS BY HIGH DURABILITY - - PowerPoint PPT Presentation

▶
manufacturing technology of bimetallic castings by high
SMART_READER_LITE
LIVE PREVIEW

MANUFACTURING TECHNOLOGY of BIMETALLIC CASTINGS BY HIGH DURABILITY - - PowerPoint PPT Presentation

Oct 07, 2022 143 likes •306 views

MANUFACTURING TECHNOLOGY of BIMETALLIC CASTINGS BY HIGH DURABILITY Innovations Market for R&D April 16 20, 2007 Hannover Y. Aftandilyants Tel.: 380662246796 E-mail: aftyev@hotmail.com Physico Technological Institute of Metals and

slide-1
SLIDE 1

1

MANUFACTURING TECHNOLOGY of BIMETALLIC CASTINGS BY HIGH DURABILITY

Innovations Market for R&D April 16 – 20, 2007 Hannover

  • Y. Aftandilyants

Tel.: 380662246796 E-mail: aftyev@hotmail.com Physico – Technological Institute of Metals and Alloys of National Academy Science Ukraine Kiev

slide-2
SLIDE 2

2

PRESENTATION OVERVIEW

INTRODUCTION STATE OF BIMETALLIC TECHNOLOGY ACHIEVEMENT OF THE BIMETALLIC TECHNOLOGY IMPROVEMENT OF THE BIMETALLIC TECHNOLOGY CONCLUSION

slide-3
SLIDE 3

3

PROBLEM DESCRIPTION & MARKET NEED

  • THE POSSIBILITIES OF THE EXISTING MONOMETALLIC

ALLOYS ARE PRACTICALLY EXHAUSTED.

  • THE PROBLEM CONNECTED WITH:
  • INCREASE OF TECHNICAL RESOURCE OF MACHINE;
  • REDUCTION OF CONSUMPTION OF HIGHLY-ALLOYED

ALLOYS;

  • INCREASE OF WEAR RESISTANCE OF MATERIALS.
slide-4
SLIDE 4

4

CLASSIFICATION OF METHODS OF BIMETALLIC CASTINGS PRODUCTION

slide-5
SLIDE 5

5

POURING LIQUID METAL UPON SOLID BILLET

slide-6
SLIDE 6

CONSECUTIVE POURING OF LIQUID ALLOYS INTO MOLD

6

slide-7
SLIDE 7

7

POURING LIQUID METAL UPON SOLID BILLET

Bimetallic castings of parts of agricultural machines and grinding-milling equipments.

slide-8
SLIDE 8

8

CONSECUTIVE POURING OF LIQUID ALLOYS INTO MOLD

HAMMERS AND BEATERS (WEIGHT 1,5-75KG) FOR CRUSHERS

slide-9
SLIDE 9

9

MATHEMATICAL SIMULATION OF KINETIC OF BIMETALLIC CASTINGS SOLIDIFICATION

   

3 1 4 2

q q q q Ò cýô         

õ

Np

q1 q3 Ò q2 q4 (Ò, õ, ó), c(Ò, õ, ó), (Ò, õ, ó)

Fig.Two-dimensional nonstationary problem of heat exchange

Alteration of system heat content is determined by difference of incoming and outgoing heat flows in differential view it will be written as Fourier equation

                           y Ò y x Ò x Ò cýô    

slide-10
SLIDE 10

10

Base Working layer Time, s Temperature of contact surface Distance from working layer, mm

KINETICS OF SOLIDIFICATION OF ROLLS

Contact surface Pouring time Distance from working layer, mm Temperature, îÑ Base Working layer

Time, s

slide-11
SLIDE 11

DEVELOPMENT OF STRESS IN BIMETALLIC BEATER

Tension stress, kg/mm2 Compression stress, kg/mm2

760 770 780 790 800 810 820 860

Temperature Temperature field

90 mm 80 mm 70 mm

slide-12
SLIDE 12

TARGETED MARKET SEGMENT

  • Cement industry;
  • Grinding industry;
  • Milling industry;
  • Mine industry;
  • Glass industry.

12

slide-13
SLIDE 13

13

Competitive Matrix Important product characteristics Our product “Steel casting company” (Ukraine) “New Technologies” (Russia) Wear resistance 2,5 - 6,0 1,0

  • Application of

high-alloyed materials 0,5 - 0,6 1,0 1,0 Time between of restoration 6 – 8 1,0

  • Cost

0,5 1,0 1,0

CONCLUSION

slide-14
SLIDE 14

14

Contact information

  • Y. Aftandilyants

Tel.: 380662246796 E-mail: aftyev@hotmail.com Physico – Technological Institute of Metals and Alloys of National Academy Science Ukraine Kiev