screws. Inventory of Materials Tools Needed Step 1: Drilling Double Holes in the Bamboo Bed Frame Rails Cut two bamboo canes of 220 cm length (the tip of the cane should include a node). Continue by drilling two double holes in each bamboo bed frame rail (A). The first hole should be made at 8 cm from the tip of the bamboo cane and the second hole at 202 cm from the first. The holes should be 7 cm in diameter. Step 2: Drilling Single Side-holes in the Bamboo Bed Frame Rails Rotate the
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orders depends on the selected drilling method either a) Manual drilling or CNC OR b) Using CNC Drill Assumption 1: Manual Drilling is not done on all the available Manual Drill Presses in parallel. Calculating time taken for Manual drilling and CNC Drilling: = Setup Time + Run Time (Per Hole) * No. of Holes drilled on each circuit board * No. of boards Time taken for Manual drilling =15 + 0.08*500*x where x= number of circuit boards Time taken for CNC drilling = 240 + 0.004*500*x where x=
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that of the punch press. i.e. 150 + 0.5*N ≤ 50 + N => 0.5*N ≥ 100 => N ≥ 200 => N ≥ 200 boards Thus‚ for orders above 200 boards‚ the CNC router should be used as it will take less time and hence‚ would produce more number of boards. 3) Drilling Operation (Image Tranfer) – Break Even Analysis Let the optimal order size be N boards a) Using Manual drill: Total Operation Time = Setup time + Run time = 15 + 0.08*500*N = 15 + 40N b) Using CNC drill: Total Operation Time = Setup time
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On the CNC router? We can calculate the board size for which the time taken by manual labor drilling and profiling equals the time taken by CNC Drill (for drilling) and CNC Router (for profiling) 1) Drilling Equation: 29+ (0.080*500*Q) = 240+ (0.004*500*Q) Therefore‚ Q=5.92 Thus‚ for the board size greater than and equal to 6‚ using CNC machine would have less production time than manual drilling. 2) Profiling Equation: 50+ (1.0*Q) = 150+ (0.5*Q) Therefore‚ Q=200 Thus‚ for the board
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Monday‚ December 27‚ 2010 The Rise of the Novel in the Eighteenth Century Introduction: In the eighteenth century the years after the forties witnessed a wonderful efflorescence of a new literary genre which was soon to establish itself for all times to come as the dominant literary form. Of course‚ we are referring here to the English novel which was born with Richardson’s Pamela and has been thriving since then. When Matthew Arnold used the epithets "excellent" and "indispensable" for the eighteenth
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head: PROPOSED DRILLING IN ANWR Proposed Drilling in ANWR Abstract Due to high cost of crude oil‚ the nation is in turmoil over prices of gas prices. This letter is a proposal for drilling in the ANWR (Arctic National Wildlife Refuge). Drilling in the ANWR is meant solely to reduce the reliability on foreign crude oil and to help the nation in its economic down side due to the rise in gas prices. Drilling In this proposal
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To fulfill the requirements of the business leader assignment‚ I interviewed Mr. Matt Onofrio¬¬ (Co-owner‚ President and COO) of GT Midwest (GT). As a mid-size distributor‚ GT provides industrial supplies and fabricated parts to customers in such industries as aerospace‚ agriculture‚ and transportation. Through this interview experience‚ I gained an understanding of an employee-owned company structure‚ learned how a mid-size distributor competes in a commodity based business‚ and realized why Mr
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Formulas Calculations for Drilling‚ Production Work-over Norton J. Lapeyrouse and and Formulas and Calculations CONTENTS Chapter 1 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. Basic Formulas P. 3 Pressure Gradient Hydrostatic Pressure Converting Pressure into Mud Weight Specific Gravity Equivalent Circulating Density Maximum Allowable Mud Weight Pump Output Annular Velocity Capacity Formula Control Drilling Buoyancy Factor 12. Hydrostatic Pressure Decrease
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No Oil Drilling In Protected Areas Oil‚ or petroleum‚ is a complex mixture of various hydrocarbons and rock minerals found below the earth ’s surface. When the oil is extracted from the ground it is then refined into various gases or fuels and as a raw material‚ it can be used to make plastic‚ pesticides and many more uses. Oil drilling is a process of perforating the earth’s surface and rock layers to extract fossil fuels or oil for energy productions. Oil is found all over the world and it
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Drilling Machine Chapter-4 Drilling machines Any component manufactured has one or more cylindrical hole in them. The process of making a hole is known a drilling. The cutting tool‚ which is used for making holes‚ is known as drill. The drill is a multipoint cutting tool. Definition: Drilling is the operation of making holes in a work piece using a drill bit. The hole is generated by the rotating drill‚ which exerts large force on the work piece clamped rigidly on the machine
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