WebTime a loading operation with a stopwatch. Start timing when the excavator bucket begins to "dig in" and stop timing when the bucket again begins to dig in. Divide 60 by the cycle time to learn the number of cycles per hour. If the cycle time is .5 minute, 60 / 0.5 = 120 cycles per hour.
Learn More
WebJun 29, 2020 · The excavator is auto lube ready with built-in mounting points; an available auto lube retrofit kit provides additional hardware to mount a grease pump and line guards. Track your excavator's filter life and maintenance intervals via the in-cab monitor.
Learn More
Web0:00 / 3:43 Cycle Time Of Komatsu PC200 Excavator Loading Truck | Heavy Equipment Activity AndiFA Mappa Machines 468 subscribers Subscribe 4 Share 224 views 1 year ago #haultruck #excavator
Learn More
WebMar 21, 2021 · actual productivity, duration of excavator cycle time. Also, the results of labeling can serve as a clear and transpar-ent base for monitoring and control of earthw orks if some .
Learn More
WebJun 29, 2020 · Hydraulic Excavator High Performance • The 395 is up to 10 percent more productive than the 390F it replaces. • Swing torque increase of 10 percent makes cycle times much faster. • precise load targets and increase loading efficiency with on-the-go Stick force increase of 10 percent makes cutting through tough material easier than ever.
Learn More
WebJan 15, 2020 · The EC950F fills the 60-ton, 33.6 m³ (43.9 yd³) haul truck in just four bucket passes, with an average cycle time of 20-25 seconds. Peak performance. Volvo's optimized hydraulics deliver constant high pressures across each phase of …
Learn More
WebAug 8, 2022 · Divide that number by 60 to find the cycle time for the excavator. Use the cycle time to determine an hourly production rate. Divide the hourly goal weight of loaded material by the cycle time. For example, if you must move 500 tons per hour, and the cycle rate is 120 cycles per hour, you must move 500/120 = 4.17 tons per cycle. Divide the
Learn More
WebThe average cycle time for bucket sizes from 1 cubic yard to less than 2.5 cubic yards is 15 seconds. Greater digging depths or swing angles increase the cycle time.
Learn More
WebCycle Time for Transporting Material Example 1 • 175 tons of sand with a density of 1.75 ton/m3 must be transported 7 km using a 10m3 dump truck. • Two laborers and a driver each will load the truck at a rate of 1.5 m3/hr . • The haul speed is 30 km/h and return speed is 40 km/h . • It takes 3 min to unload the truck. • The cost of the truck is $25/hr, the …
Learn More
WebThe manufacturer of the excavator lists cycle time for 90 degree angle and optimum depth to be 18 s. Find the productivity of the excavator in CY/h. Solution q = volume of soil excavated and dumped in a truck by the excavator (CY/h) B = bucket struck capacity (CY) = 1.2 CY E = bucket efficiency factor from table A E = 0.9 for medium stiff clay.
Learn More
WebStep 3. Determine the average cycle time from Table or given based on the size of wheel loader. Step 4. Determine the maximum production rate using the following formula. Maximum production rate (LCY per hour) = heaped-bucket capacity x bucket fill factor x 60 minutes / loader cycle time (min)
Learn More
WebAnswer: Simply the bucket size of your excavator. An average 20 t excavator for example, should have around 1 cbm bucket size. To load an average 3–4 axle 40 t truck, you need around 12–14 moves, depending on the material to be loaded and the degree of bucket filling. A good operator will manage
Learn More
WebThe manufacturer of the excavator lists cycle time for 90 degree angle and optimum depth to be 18 s. Find the productivity of the excavator in CY/h. Solution q = volume of soil excavated and dumped in a truck by the excavator (CY/h) B = bucket struck capacity (CY) = 1.2 CY E = bucket efficiency factor from table A E = 0.9 for medium stiff clay.
Learn More
WebAug 8, 2022 · Divide that number by 60 to find the cycle time for the excavator. Use the cycle time to determine an hourly production rate. Divide the hourly goal weight of loaded material by the cycle time. For example, if you must move 500 tons per hour, and the cycle rate is 120 cycles per hour, you must move 500/120 = 4.17 tons per cycle.
Learn More
WebStep 3. Determine the average cycle time from Table or given based on the size of wheel loader. Step 4. Determine the maximum production rate using the following formula. Maximum production rate (LCY per hour) = heaped-bucket capacity x bucket fill factor x 60 minutes / loader cycle time (min)
Learn More
WebOct 8, 2009 · For the cycle time we'll have to pull the dirt from the cut/hole and load the truck. The dirt will not be stockpiled for the excavator load cycle. Excavator: Komatsu PC228. Soils: semi cohesive to cohesive, i.e. red clay. Operator is above average level. I'd normally place an efficiency rating of about 85-90% on this guy.
Learn More
WebSimply the bucket size of your excavator. An average 20 t excavator for example, should have around 1 cbm bucket size. To load an average 3–4 axle 40 t truck, you need around 12–14 moves, depending on the material to be loaded and the degree of bucket filling. A good operator will manage optimum bucket filling and shortest cycle of loading.
Learn More
WebStart timing when the excavator bucket begins to "dig in" and stop timing when the bucket again begins to dig in. Divide 60 by the cycle time to learn the number of cycles per hour. If the cycle time is .5 minute, 60 / 0.5 = 120 cycles per hour. Step 3 Divide the hourly production requirement by the cycles per hour with your calculator.
Learn More
WebThe average cycle time for bucket sizes from 1 cubic yard to less than 2.5 cubic yards is 15 seconds. Greater digging depths or swing angles increase the cycle time.
Learn More
WebOct 8, 2009 · I'm trying to double check cycle times on the excavator movements for the 20' cut. For the cycle time we'll have to pull the dirt from the cut/hole and load the truck. The dirt will not be stockpiled for the excavator load cycle. Excavator: Komatsu PC228. Soils: semi cohesive to cohesive, i.e. red clay. Operator is above average level.
Learn More