IDLER ROLLER
(CODE NO. 1939)
Idler, the important component of belt conveyor, is used to effectively support belt and bulk and secure operation of conveyor. According to China national standards, diameter of rollers are ?76.3??89??108??133??159??193.7??219 etc, subject to belt width and speed. lengths of rollers are standard series, selected by belt width and types of idlers for bearing, consideration is taken into capacity and life of bearing with every single roller. Usually, idler consists of shell, shaft, bearing, housing, seals and snap ring . Idler must be of unique structure, reasonable fitting and accurate assembly, resulting in high capacity and long service life.
Idler classification
There are two basic type of belt conveyor idlers:
Carrying idlers include troughing idler, transition idler, impact idler, self-aligning idler.
Return idler include flat idler, V-type return idler, sleeve idler and spiral idler.
Troughing idlers
Revolves supporting the belt on the side which carrier loads and is used for carrying bulk. There are various trough angle:
.There are two types of idler: standard and forward-leaning idler. The forward-leaning idler can be arranged along all line of conveyor to prevent belt sway off center condition.
COST ESTIMATION
Plant Capacity 48.00 NOS/day
Land & Building (1000 Sq.Mtr) Rs. 1.36 Cr
Plant & Machinery Rs. 82.00 Lacs
W.C. for 2 Months Rs. 65 Lacs
Total Capital Investment Rs. 3.02 Cr
Rate of Return 24%
Break Even Point 62%
INTRODUCTION
TYPES AND FUNCTIONS OF IDLERS
USES AND APPLICATIONS
B.I.S. SPECIFICATION
MARKET SURVEY
MANUFACTURER/SUPPLIERS OF IDLER ROLLER
MANUFACTURING PROCESS
IDLER SELECTION PROCEDURE
PROCESS FLOW SHEET
PLANT LAYOUT
SUPPLIERS OF PLANT AND MACHINERIES
SUPPLIERS OF RAW MATERIALS
CHINA SUPPLIERS OF PLANT AND MACHINE
APPENDIX – A :
1. COST OF PLANT ECONOMICS
2. LAND & BUILDING
3. PLANT AND MACHINERY
4. FIXED CAPITAL INVESTMENT
5. RAW MATERIAL
6. SALARY AND WAGES
7. UTILITIES AND OVERHEADS
8. TOTAL WORKING CAPITAL
9. COST OF PRODUCTION
10. PROFITABILITY ANALYSIS
11. BREAK EVEN POINT
12. RESOURCES OF FINANCE
13. INTEREST CHART
14. DEPRECIATION CHART
15. CASH FLOW STATEMENT
16. PROJECTED BALANCE SHEET
