Harvester HSM 405 H2 6 WD with Waratah H 480 Harvester head

Transcription

1 TEST REPORT Harvester HSM 405 H2 6 WD with Waratah H 480 Harvester head OWNER OF THE TEST CERTIFICATE: Applicant/distributor: Hohenloher Spezialmaschinenbau Im Greut 10 D Neu Kupfer Internet: MANUFACTURER: Hohenloher Spezialmaschinenbau Im Greut 10 D Neu Kupfer This publication was supported by the Federal Ministry of Consumer Protection, Food and Agriculture and the State Forest Administrations Kuratorium für Waldarbeit und Forsttechnik e.v. (KWF) Spremberger Strasse 1 Telephone: D Gross-Umstadt Telefax: 06078/ pruefung@kwf-online.de Internet:

2 Harvester HSM 405 H 2 6 WD with harvester head Waratah H 480 Evaluation - review Test item Test results Evaluation Harvester class 3 Chief application field Driving performance Engine power > 140 kw Clearing coniferous forest in easy to difficult terrain, average chest height diameter of trunks cm; maximum trunk diameter 74 cm Driving speed Relocation speed 19.1 km/h + + Off-road capability Off-road capability coefficient: 0.86 o Transport Transport height per axle 3.77 m, on flat bed trailer 3.53 m + + Felling and processing Crane control Crane construction hydraulic transmission system HSM CMC maximum 5 programmable operator settings Net lifting power at full reach 0.8 kn, at 4 m reach 42 kn maximum reach 10.0 m, tiltable Stability Lateral stability when loaded at maximum reach is provided (without water) + + Delimbing Feed speed 4.1 m/s, feed force 18.9 kn Measuring and control system Motomit IT Ergonomics Noise Leq = 67.3 db(a) + + Vibration A (8) = 0.37 m/s² + Cab design Very well arranged display and control elements; comfortable and spacious cab, heavy cab door, ROPS, FOPS and OPS approved Visibility High convex windscreen, narrow cab stays; very glare protection + + Workspace illumination and glare-free all-round illumination + Work safety Environmental safety DPLF work safety test + satisfactory Ground impact 111 ground impact points o Hydraulic fluids and hazardous substances Rapid bio-degradable hydraulic fluid; at least 3 hazardous substances with a water hazard class > 1 Fuel consumption 12 l/ operating hr (specific consumption 205 g/kwh) + +/+ Leak reduction design measures Vacuum pump, quick-release coupling for hydraulic tank fill and drainage; hydraulic oil fill pump Emissions Complies with EU guideline 97/68 EG level 3a - Economy Cost (without wages) According to calculation scheme 119 Euro/ operating hr (at 1500 operating hrs /year) o + + Maintenance (incl. refuelling) Power approx. ½ hour daily; approx. 1.5 hours weekly Within power limits for this harvester class Distinctive features + + = very ; + = ; o = satisfactory; - adequate; - - = inadequate (*Manufacturer s declaration) 2/8

3 Short description Figure 1: machine sketch and crane work area diagram Front bogie: closed box construction, rear bogie: reinforced ladder frame, partially closed bars decentralised articulated joint and rear interleaving joint; interleaving joint brake 2 hydraulic cylinders hydrostatic transmission with electronic power control and successive 2-step power divider; front bogie drive release Test tyres: front: Nokia 700/50-26,5 TRS LS2 16 PR rear: Nokian 28 L-26 LS2 16 PR Load-Sensing hydraulic system with flow management Overall weight: Length (without crane): Transport height (flat bed trailer): on road: Width (maximum): Turning circle diameter: *bogie lifting device engaged kg 7480 mm 3530 mm 3770 mm 2899 mm 13400/10600* mm* Application field Taking into account local terrain (micro-relief, obstacles) and climate, the limit of drivability for the machine was attained driving up a 35 % slope. The maximum felling diameter of 74 cm and de-limbing diameter of 48 also restricts the application field of the machine. The machine is capable of cross-cutting long stems and processing hardwood. Gross lifting moment (knm) 130,0 188,0 273, Figure 2: Comparison between the current test machine and the minimum and maximum values from the 10 machines tested to date in the same engine power class 3/8

4 Engine Liquid-cooled Common Rail diesel engine N 67 ENT with turbo-charger and charge cooling Capacity 6700 cm³ Power Nominal engine speed /min 175 kw max. torque Nominal engine speed /min 760 Nm max. torque working engine speed /min 1020 Nm Torque increase 34.2 % Average fuel consumption under working conditions 12 l/working hr Fuel tank volume 550 l RME- or Vegetable oil capability none Engine power (kw) 145,0 175,0 201, Figure 3: Comparison between the current test machine and the minimum and maximum values from the 10 machines tested to date in the same engine power class. Fuel consumption (l/working hr) 12,0 12,0 19, Figure 4: Comparison between the current test machine and the minimum and maximum values from the 10 machines tested to date in the same engine power class. Hydraulics work circuit Load sensing hydraulic system with 2 axial piston pumps and 1 gear pump for filling the hydraulic reservoir and for creating shift pressure and bypass flow; shared oil reserve for work and transmission circuit, 1 pump predominantly for supplying the harvester head, the other pump is used for crane and driving functions; the harvester head pump is capable of making unnecessary oil available for other functions. Hydraulic pump 2 x Bosch Rexroth A 11 VO; 1 Zahnradpumpe Sauer Danfoss SNP 2/11 Capacity At engine working speed (1400 1/min) (2x) Hydraulic pressure maximum 38 MPa Tank capacity 240 l l/min Drive circuit hydraulics Electronically controlled hydrostatic transmission Hydraulic pump Capacity Bosch Rexroth A4 VG, 140 cm³ bei Motor-Nenndrehzahl (1400 1/min) 294 l/min Power output maximal 45 MPa Hydraulic engine Bosch Rexroth A6VM 160 Absorption volume cm³/rev 4/8

5 Crane Loglift 220 V; mechanical harvester parallel crane with boom and jib and small crane column and 1- step telescope. Gross lifting torque 188 Nm Tilt angle front/back/left/right 35,7/8,6/ / Maximum reach (incl.1-step telescope) 10,0 m Net lifting power (maximum reach/4m reach) 0.8/42 kn Telescope pulling power 26,0 kn Slewing torque (left/right) 36.6 knm Turning area (left/right) 195 Required amount of hydraulic fluid * 580 l/min * Manufacturers declaration Maximum crane range (m) 9,3 10,0 10, Figure 5: Comparison between the current test machine and the minimum and maximum values from the 12 machines tested to date in the same engine power class. Measuring system Evaluated according to KWF functional specifications Motomit IT Hardware Display Input device Printer Test prints Data integrity Clarity of data labelling HKS-conformity Requirements of the KWF functional specifications Handling and performance of system as a whole Calibration and control Precision Measurement stability Overall verdict : satisfactory satisfactory satisfactory fulfilled Very Very Very 5/8

6 Harvester head Waratah H 480 Overall weight 1257 kg (with rotator and swing brake)* required capacity * 320 l/min Cutting length (useable) 745 mm Chain speed 40 m/s Saw chain lubrication oil consumption * (100 cuts) n.a. (not adjustable) l/ operating hr Tank capacity chain oil 11 l Feed roller diameter 460/300 mm Guide length 950 mm Delimbing diameter 480 mm max. felling diameter 665 mm Grapple functionality 2 upper and 2 lower stem-encircling delimbing knives; supported by feed rollers if required * manufacturer s declaration fixed spring loaded upper v-formed delimbing knife 2 2 upper, stem-encircling moving delimbing knives attached to basic frame, diameter-dependant contact pressure 3 4 hydrostatically driven feed rollers (steel rollers) 4 2 lower moveable delimbing knives 5 Felling unit with electro-hydraulically operated and driven chainsaw, diameter-dependant cut control Hydraulically controlled length measuring wheel 7 Diameter measuring system using 2 angle guages in the upper delimbing knives 8 Hydraulic chain tensioner Figure 6 harvester head Maximum felling diameter (cm) 45,0 66,5 70, Figure 7: Comparison between the current test machine and the minimum and maximum values from the 12 machines tested to date in the same engine power class. 6/8

7 Spare parts supply, manuals and service Maintenance effort Maintenance scope Operator manual Spare parts list Training satisfactory; large maintenance covers provide very access to engine, hydraulic system and tank; hydraulically operated engine maintenance cover; some danger of crushing when closing cover; access ladders on the rear part of the vehicle are inadequate, hydraulically operated large rear cover with batteries under the engine; 2 small hinged, inadequately secured, maintenance covers under the vehicle According to schedule and need Brief and useful operator manual profusely illustrated and well-structured; all parts are easily found 3 day briefing on delivery of machine; 2 days additional training and fine adjustment of the machine following a 2 month training period Cab Proprietary ROPS, FOPS and OPS tested safety cab mounted on to front bogie, liquid supported Operator seat pneumatically dampened, highly adjustable, comfortable seat BeGe 9001, capable of swivelling through 45 for easy egress, hydraulic brakes with adjustable arm rests Comments / evaluation Complies with standard Cab size and design Generous, useful cab, partially lined; very workmanship; very large left door and large right door yes Cab climate Heater and manual air-conditioning with 3 step audible ventilator, 5 output vents in the footwell and near the windows Control elements Useful and tidy arrangement, all elements are easy to reach; labels satisfactory yes Levelling tiltable (front 10.3 ; rear 12 ) Work field illumination Visibility 21 halogen twin working lamps provide illumination to the front and sides; satisfactory rear work field illumination due to shading; harvesting lights on crane provide illumination of work area, general work field illumination is only satisfactory when compared to that provided by xenon lamps Very front and upward view due to narrow stays, high convex windscreen and seating position; tree crown view is even when leaning back in seat; very sun screens (sun protection foil on all windows), shade angle at crane column is small Noise low Noise level 67.3 db(a) yes Vibration A (8) = 0.37 m/s² yes Storage space on the machine Storage space in the cab Limited at 70 l driver door has 1 large storage box for warning triangle, operating manual (in separate pocket and first-aid kit as well as 1 bottle holder; 1 storage recess under the roof behind the operator and a storage tray under the rear window; removable cool-box 7/8

8 Machine costs and calculation basis Price for tested version Workload operating hrs/year Total service life [operating hours] Recovery period (years) Repair cost factor 1.0 /operating hrs (rounded) operating hrs (rounded) /operating hrs (rounded) Costs for fuel and lubricants in /operating hr Recovery Diesel price [ /l] 1.0 Repair and maintenance interest rate [%] 8.0 Fuel and lubricants Transport costs [ ]/1000 operating hrs 2 Interest rate Additional costs [ ] Transport, driving Technical work productivity: Others m3/operating hour Machine costs Within the performance range for harvester class 3 Optional equipment (not tested) Cab comfort package, Soft headrests, Mini control levers, micro-cab air filters, heating box, Diskette station, GPS navigation preliminary set-up, electronic callipers, Software Maxi Value: value and demand optimisation with volume determination, automatic fire extinguishing system, protective end plates for bogies, diesel auxiliary heating, hydraulic fluid heater, diesel fill pump, paint marking system, stump removal equipment Test Remaining requirements: Recommendations: Test Institute Kuratorium für Waldarbeit und Forsttechnik, Groß-Umstadt Authors Dr. Günther Weise, Lars Nick, Dr. Andreas Forbrig, KWF, Groß-Umstadt KWF-Utility Test Test no from May 16, 2011, valid until July 31, 2016; Dated: According to the test regulations, the applicant is entitled to display the test mark on machines of this type and to use the certification for advertising purposes. 8/8