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# Production Calculation of Comber Machine

#### Trishna Mondal Etu

Studies B.Sc in Textile Engineering at National Institute of Textile Engineering & Research - NITER | Studied at Dhaka City College | Studied at Monipur High School & College

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Part 1: Basic Concept of Combing Process | Types of Comber Machine

Part 2: Lap Preparation | Sliver Lap Machine | Ribbon Lap Machine

Part 3: Production Calculation of Lap Former Machine

Part 4: Different Action of Combing Machine | Comber Waste in a Cotton Comber | Material Passage Diagram of Comber

Part 5: Production Calculation of Comber Machine

#### Production Calculation of Comber Machine

Production calculation formula of comber machine:

Problems:

Problem 1: Find out the production/day/comber in tons from the following parameters: Nips/min:350 Feed/Nip: 7.5 mm, Head: 8, Noil extraction: 18%, Lap weight: 1200 grains/yd and Efficiency: 85%.

Problem 2: Calculate the production (in kg/shift) of a comber machine having following particulars-lap count = 100 gram/meter, feed/nip = 5mm, nips/min = 350, number of head = 8, noil extraction =14% and efficiency = 90%.

Problem 3: Calculate production of a comber machine in kg/shift, where -lap weight = 70ktex, feed/nip = 4.7 mm, nips/min = 380, number of head = 8, noil extraction =14% and efficiency = 90%.

Problem 4: A spinning mill is run with 12 comber machine which process cotton fibre upto staple length 1.375 inches. Parameters of each machine are: nips/min=550, feed/nip =4.5 mm, no. of head per machine= 8, lap weight = 800 gr/yd, waste extraction= 16% and efficiency = 85%. Find out the production in kg/shift of those combers?

Problem 5: The cylinder of a 6 head comber is running at a speed of 100 nips per minute and each nip feeds 0.25” lap. The hank of lap is 0.0166. Calculate the production of comber in hours at 70% efficiency and 12% waste.

Problem 6: Find out the production/shift/comber in kgs. (Assume necessary parameters)

Part 1: Basic Concept of Combing Process | Types of Comber Machine

Part 2: Lap Preparation | Sliver Lap Machine | Ribbon Lap Machine

Part 3: Production Calculation of Lap Former Machine

Part 4: Different Action of Combing Machine | Comber Waste in a Cotton Comber | Material Passage Diagram of Comber

Part 5: Production Calculation of Comber Machine

#### Trishna Mondal Etu

Studies B.Sc in Textile Engineering at National Institute of Textile Engineering & Research - NITER | Studied at Dhaka City College | Studied at Monipur High School & College

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