{"data":{"news":{"items":[{"title":"New Wirtgen 280 SM(i) surface miner","date":"2022-10-06 08:53:50","id":4120,"author":"","blurb":"","blurb_image_uid":"https://dxfpracgmlczp.cloudfront.net/2022/09/1664354418790_W_photo_280SM_00026_HI.jpg","blurb_expanded_image_uid":null,"article":"\n\t\n\n\n

The new Wirtgen 280 SM(i) is a high-performance surface miner designed for reliable and selective extraction of primary resources by direct loading, sidecasting or cut-to-ground. Raw materials are extracted and crushed in situ in purest quality in a single operation – without drilling and blasting, and with minimal environmental impact.

\n\n

The 280 SM(i) is driven by four steerable and height-adjustable crawler units. This 120-t-class machine is highly manoeuvrable and can be quickly turned at the end of a cut. The Level Pro Active automatic levelling system maintains the specified cutting depth with consistently high precision and without further aids.

\n\n

The 2,750 mm cutting drum unit with a cutting depth of up to 650 mm is precisely adaptable to each specific application and achieves outstanding cutting performance with minimal pick wear. Wear-resistant toolholder systems ensure optimal pick utilisation and minimal downtimes. The soft rock cutting drum unit is designed especially for high material flows in soft rocks. In contrast, the hard rock cutting drum unit ensures maximum durability and long life in hard rocks.

\n\n

The high-performance, hydraulically height-adjustable, rear discharge conveyor with a movable counterweight can be slewed to the right and left by 90° and enables the loading of mining trucks with payloads of up to 100 t. What’s more, the operator can continuously vary the speed of the belt independent of the engine speed to reduce belt wear dependent on the material volume and the piece-size of the mined material.

\n\n

The 280 SM(i) is also equipped with a dust-sealed and air-conditioned positive-pressure cabin with fresh air filtration, which effectively prevents the ingress of dust into the operator’s workplace. Mounted on the front left chassis column, the operator’s cabin with all-round glazing is decoupled from the machine body and can be rotated by 90° in both directions. Up to six cameras can be installed to provide even better all-round vision.

\n\n

Various automatic functions further contribute to the operator’s comfort, reduce the risk of fatigue, assist the operator in the achievement of high productivity rates and make the overall process more efficient.

\n\n

In addition, the new 280 SM(i) is environment-friendly, thanks to the reduction of carbon emissions by low specific fuel consumption, an efficient water management system and effective solutions for the minimisation of dust pollution.

\n\n

Note: The new Wirtgen 280 SM(i) surface miner will be showcased at bauma 2022.

\n\n

Bauma booth: FS.1011

\n\n\n","article_image_uid":"https://dxfpracgmlczp.cloudfront.net/2022/09/1664356281751_W_photo_280SM_00004_HI.jpg","article_expanded_image_uid":null,"article_image_caption":"With the 280 SM(i) surface miner, primary resources are extracted in purest quality and crushed in situ in a single operation – without drilling and blasting, and with minimal environmental impact.","publications":"7","tags":"Wirtgen,surface miners,bauma 2022","category":"Products & Technologies"},{"title":"Wirtgen 220 SM 3.8 surface miner for high performance in soft rock","date":"2019-05-09 00:01:33","id":1611,"author":"","blurb":"","blurb_image_uid":"https://dxfpracgmlczp.cloudfront.net/2019/05/1557332031506_W_photo_220SM-3-8_00002_HI.jpg","blurb_expanded_image_uid":null,"article":"\n\t\n\n\n

Wirtgen’s 220 SM 3.8/220 SMi 3.8 surface miner selectively mines raw materials up to a cutting depth of 350 mm and an uniaxial compressive strength of 35 MPa. Thanks to its 3.8 m wide cutting drum designed specifically for soft-rock mining, the compact surface miner can achieve maximum productivity at low operating costs and is excellent for use in small to large mining operations.

\n\n

Selective extraction makes it possible to mine raw materials with a high level of purity, said Wirtgen. The material, which is extracted in an environment-friendly manner without drilling or blasting, is continuously deposited behind the machine in a windrow and then loaded onto trucks with other equipment.

\n\n

In this context, refraining from drilling and blasting makes it possible to conduct efficient mining operations close to industrial sites and other infrastructure such as pipelines or high-voltage power lines, which ultimately results in the optimised exploitation of the deposit.

\n\n

The cutting drum is designed specifically for demanding windrow applications in soft rock, such as coal or salt. Maximum cutting performance combined with the ideal use of engine power and low specific fuel consumption allows raw materials to be mined in a cost-effective process.

\n\n

Six different adjustable cutting drum speeds ensure that the machine can be adapted to the material being extracted. This leads to a significant reduction in pick wear, minimal diesel consumption, and increased productivity, which translate into an impressive daily output and low cost per ton of extracted material.

\n\n

In surface mining, the continuous availability of the machine and its safe operation are of critical importance, highlighted Wirtgen. This is why the surface miner’s components are designed to achieve a long service life, even under extreme conditions. For example, filters in all circuits and a pressurised hydraulic reservoir ensure maximum purity in the hydraulic system and, as a result, safe operations. The clean oil in turn prolongs the service life of the downstream components and thus increases the availability of the machine.

\n\n

The 220 SM 3.8/220 SMi 3.8 also meets occupational safety requirements in surface mining, featuring a standard-equipped ROPS/FOPS operator’s cabin – it provides additional soundproofing and vibration isolation, allowing the operator to work for several hours without the risk of fatigue. The ergonomically designed and clearly arranged controls are integrated into the armrests of the driver’s seat, and all of the machine’s key functions are logically incorporated into the multifunctional joysticks. The fully air-conditioned, large-capacity cabin also offers generously sized windows, giving the operator a direct view of the cutting edge and with it, the results of their work.

\n\n

The Level Pro Plus levelling system is suitable for use in road construction and mining. It is intuitive and easy to operate. A flat or inclined formation level can be created with absolute precision, thanks to side plate scanning and the cross-slope sensor. The machine is also ready to be fitted with GPS or laser control.

\n\n

www.wirtgen-group.com/singapore

\n\n\n","article_image_uid":"https://dxfpracgmlczp.cloudfront.net/2019/05/1557332037755_W_photo_220SM-3-8_00002_HI.jpg","article_expanded_image_uid":null,"article_image_caption":"With a cutting width of 3.8 m and a cutting depth of up to 350 mm, the 708 kW surface miner is perfect for soft-rock mining in operations of all sizes.","publications":"7","tags":"Wirtgen,bauma 2019,surface miners","category":"Products & Technologies"}],"pageInfo":{"hasNextPage":false,"hasPreviousPage":false,"totalCount":2,"totalPages":0,"currentIndex":0}}}}