Calculate the operating reliability R(t=1000hr) of a deep groove ball bearing The calculated L10 life expectancy of the ball bearing is L10 = 500A106 rev The rotational speed is 4000 rpm Hint The life expectancy of the ball bearings is related to the L10 basic rating life according (eq 1 18 page 19) Get Price

Operating Cash Flow (OCF) is the amount of cash generated by the regular operating activities of a business in a specific time period The operating cash flow formula is net income (form the bottom of the income statement) plus any non-cash items plus adjustments for changes in working capital Get Price

Safety-conscious and reliable quarry laborer skilled in excavating and operation of rock crusher and screen plant also skilled in loading trucks Six years of experience in working on and around rock crushers and operating heavy equipment Also have many years experience (around 18 years) in welding and fabrication work Get Price

The present work is an effort to show that the devia- tion of the W i value is due to the assumption that the ex-ponent n is equal to 0 5 It also indicates a different method to treat the experimental data by first calculating the actual value of the exponent n and then use this op- timum value to calculate Get Price

Calculator Use Enter only integers such as 1215 for 12 15 or 137 for 1 37 For a full time card use a Time Card Calculator Enter start time and end time without ' ' or ' ' If you enter a single integer from 1 through 12 it will assume 1 00 through 12 00 Assumes 12 pm for noon and 12 am for midnight Get Price

The Operating Cash Flow Calculation is operating income before depreciation minus taxes and adjusted for changes in working capital Financing activities (dividends issuance/purchase of common stock issuance/purchase of debt securities) and investing activities (i e cap ital ex penditures (CAPEX) acquisitions) are excluded or separate from Get Price

Dec 17 2012Horsepower = (3 000 x 6) / 63 025 = 0 286 Though horsepower units are a derivative of the 33 000 ft-lbf/min it is not critical to understanding how to calculate motor horsepower for speed and torque Another common unit of power that motors are rated in is watts The conversion from watts to horsepower is 745 7 watts = 1 hp Get Price

Resilient Loader/Crusher Operateor successful at handling the rigorous physical demands of operating heavy duty machinery for extended periods of time Energetic Equipment Operator who offers extensive skill knowledge and experience with over 16 years in the construction industry Get Price

oil reduces the operating temperature of the compressor reduces friction (thus increasing compressor operating efficiency and output) minimizes air leakage around piston rings and it reduces the possibility of internal corrosion Lubricating oil will also assist in the removal of dirt wear particles and liquid water within the compressor Get Price

Shoe Anvil (Steel on Steel)–Indicates that the crusher is for large feed sizes and/or coarse products The crusher will utilize an impeller table that typically incorporates three to six impellers The top size to these machines will be reduced to control the reduction ratio ROR (Rock on Rock)–This machine will be using an enclosed rotor Get Price

Crushing work index Calculation (4 replies) So there is nothing wrong with your calculation and the variation between the laboratory test and your observation of the operating crusher is within the normal range of variation for this calculation It appears normal to me -- this is a noisy test unfortunately Hope that helps Please let me know if you have any other question Get Price

Contribution Margin Ratio In this formula you use the total contribution margin not the unit contribution margin Calculating this ratio is important for the financial manager as it addresses the profit potential of the firm If we use our example here is the contribution margin ratio $40 000/$100 000 X 100 = 40% Get Price

Operating income representing income from ordinary business activities excludes expenses such as interest and taxes Unusual nonrecurring items such as gains from selling a subsidiary or losses from closing a plant are not included in the calculation of operating income Also called earnings before interest and taxes operating profit Get Price

crusher operating work index calculation calculate crusher work index The Effects of Blasting on Crushing and Grinding calculate crusher work index One reason for using Bond's third theory is that work index Wi has been Table 1 shows the feed and product size the calculated total energy input and theWork Index Metcom ExpertiseIt starts Get Price

In a previous part of Lesson 1 work was described as taking place when a force acts upon an object to cause a displacement When a force acts to cause an object to be displaced three quantities must be known in order to calculate the work Those three quantities are force displacement and the angle between the force and the displacement Get Price

Crusher Operating Time % overall 70 Engineering Design Processing Rate Operating t/h 7 738 Calculations Processing Rate Operating (each) t/h 3 869 Calculations Feed Top Particle Size mm 1 500 Engineering Design Product Particle Size P80 mm 150 Engineering Design No of Discharge Feeders (each crusher) 1 Engineering Design Get Price

Oct 06 2010The only way you can accurately calculate your own owning and operating costs will be to work with your dealer and the exact specs of what you need Keep in mind that operating conditions and driver experience and skill will also swing the numbers a good bit in either direction Get Price

Jul 25 2013Net operating working capital is different from (net) working capital which simply equals current assets minus current liabilities NOWC is an intermediate input in the calculation of free cash flow Free cash flow equals operating cash flow minus gross investment in operating assets minus investment in net working capital Get Price

A Jaw Crusher is one of the main types of primary crushers in a mine or ore processing plant The size of a jaw crusher is designated by the rectangular or square opening at the top of the jaws (feed opening) For instance a 24 x 36 jaw crusher has a opening of 24 by 36 a 56 x 56 jaw crusher Get Price

About EBITDA Margin Calculator The online EBITDA Margin Calculator is used to calculate the EBITDA margin EBITDA Margin Definition EBITDA margin is a measure of a company's profitability calculated as EBITDA (earnings before interest taxes depreciation and amortization) divided by Get Price

May 29 2013An expense stop is a tool used by landlords to limit their exposure to operating costs and as such helps to maintain predictable operating expenses over the term of a lease How Does an Expense Stop Work? Let's run through a quick example of how expense stops work in practice Get Price

Operations on sets calculator This calculator is an online tool to find find union intersection difference and Cartesian product of two sets It will also generate a step by step explanation for each operation 1 Enter the elements of sets A and B separated by comma Get Price

These instructions are for use by Owners of projects that require an Operating Cost Adjustment Factor (OCAF) calculation (rent adjustments "lesser of" test etc ) Each entry of the OCAF Worksheet is explained below NOTE All calculations should be taken out Get Price

The Love Calculator is an affective way to get an impression of what the chances are on a relationship between two people To find out what the chances for you and your dream partner are just fill in both full names (both first and last name) in the two text boxes below and press Calculate Get Price

For calculating the working capital using this method we would need 3 important things and they are the estimated cost of goods sold operating cycle time and desired cash levels The time of cycle can be calculated using the operating cycle formula Get Price

crusher Operating Work Index calculation crusher operating work index calculation determination of the bond's work index of The Bond work index Wi is used as a measure of grindability of an ore test requires constant screening out of Crushing work index Calculation Crushing Screening Get Price

The closed set of an operating jaw crusher was 125 mm A continuous stream of ore was fed at the rate of 30 t/h On an average 10% of the ore was less than the set The F 80 was 410 mm in size The crusher was initially operated at 200 rpm at a reduction ratio of 1 4 but the toggle speed was to be increased Calculate 1 Get Price

Calculator Use Enter only integers such as 1215 for 12 15 or 137 for 1 37 For a full time card use a Time Card Calculator Enter start time and end time without ' ' or ' ' If you enter a single integer from 1 through 12 it will assume 1 00 through 12 00 Assumes 12 pm for noon and 12 am for midnight Get Price