On February 13, 2019, it was learned that the North American International Auto Show was held in Detroit, Michigan. The 2019 new Dodge Ram RAM heavy-duty pickup truck with Cummins' new generation 6.7-liter turbocharged diesel engine became the highlight of the truck booth. This engine provides powerful power for the Dodge Ram heavy-duty pickup, increasing its load and drag. The excellent design of the 6.7-liter turbocharged diesel engine proves that Cummins is trustworthy again and again.

Cummins' new generation 6.7-liter turbocharged diesel engine Cummins' new generation 6.7-liter turbocharged diesel engine

With continuous innovation and development, Cummins has always insisted on providing more excellent and comprehensive power solutions for the times and the market, and has won the trust of customers in all fields of the world. As one of Cummins's important customers, the Dodge Ram has been equipped with Cummins 5.9L turbo diesel engine since 1989, and now uses the latest 6.7L turbo diesel engine. Dodge Ram has been working with Cummins for 30 years. In the past 30 years, Cummins has installed nearly 3 million turbo diesel engines on the ram pickup, which not only helped the Dodge Ram to win the market, but also won the respect of truck customers around the world.

“On the occasion of Cummins’ 100th birthday, we also celebrated the partnership with the Dodge Rams for 30 years,” said Srikanth Padmanabhan, vice president of Cummins Engines. “The Dodge Rams and Cummins together promote technological advancement and build many Milestones. From the assembly of the first prototype truck in the 1980s to the present, the engine torque has exceeded 1355 N·m, which confirms the strength of our cooperation."

Cummins' new generation 6.7L turbocharged diesel engine has attracted much attention at this auto show, becoming the focus of the venue and setting a new standard for the heavy-duty pickup market. It has a first-class torque of 1200 N·m and offers 230 hp and 320 hp power options, using a number of Cummins core technologies and new technologies:

1. The new generation 6.7L engine has a built-in compression graphite cast iron engine block, which increases the peak cylinder pressure. It is driven by a new hydraulic lash adjuster and has a cast iron cylinder head with a high temperature exhaust valve.

2. The core of the engine is a high-strength alloy crankshaft and a 10-bolt crank forged connecting rod and new bearings to make power transmission more efficient.

3. In the new generation 6.7L engine, a larger new Holset variable-section turbocharger is equipped, the heavy-duty bearing is optimized, and a new compressor side casing is used, which can be 227 thousand. Pa's fresh air enters the engine.

4. The new generation 6.7L engine uses a new fuel system, including a 2000bar fuel pump and common rail system, while using Cummins' latest NanoNet® technology fuel filter.

“Since 1919, Cummins has been centered on technological innovation and reliability,” said Melina Kennedy, General Manager of Cummins Pickup. “We are proud to launch our most powerful 6.7L engine ever since the centennial celebration. --- And establish a new standard for heavy-duty pickup trucks." Listening to the times and market needs to meet customer needs, in the future, Cummins will provide more comprehensive and more systematic power solutions to help customers win the market.

Reading volume: Source: Chinese network of truck: cold autumn

Vertical Machining Centers

Vertical machining center refers to a machining center with a spindle perpendicular to the worktable. Its structural form is mostly a fixed column, and the worktable is rectangular without indexing rotation function. It is suitable for machining disk, sleeve, and plate parts. The vertical machining center worktable is a T-groove worktable with a cross slide structure, which has two sets of motion mechanisms responsible for moving perpendicular to each other. The X-axis feed worktable is covered by the guide rail responsible for Y-axis feed. Vertical Machining Centers generally have three linear motion coordinate axes and can be equipped with a rotary table rotating along the horizontal axis on the workbench for machining spiral parts.

Vertical machining centers characteristics:
1. Vertical machining centers structural characteristics: Vertical machining centers refer to spindle perpendicular to the workbench, with a relatively simple structure, small footprint, and relatively low price. However, due to the spindle being perpendicular to the worktable, the rotation axis of the spindle is perpendicular to the worktable, making the clamping and machining operations of the workpiece more convenient. Vertical machining centers are usually suitable for processing small workpieces and parts that require high precision.
2. Vertical machining centers application characteristics: Due to its simple structure, small footprint, and low price, vertical machining centers are usually suitable for processing small and medium-sized parts. It can perform various machining operations such as drilling, milling, turning, and grinding, as well as precision and semi precision machining with high precision requirements. Due to the fact that the spindle of a vertical machining center is perpendicular to the worktable, it is more convenient to clamp the workpiece and also helps to protect the tool and workpiece from damage.
3. Vertical machining centers processing characteristics: Due to its simple structure, small footprint, and low price, vertical machining centers are usually suitable for fine machining of small and medium-sized parts and high-precision machining of parts. It can perform various machining operations such as high-precision drilling, milling, turning, and grinding, as well as precision and semi precision machining with high precision requirements. Due to the fact that the spindle of a vertical machining center is perpendicular to the worktable, it is more convenient to clamp the workpiece and also helps to protect the tool and workpiece from damage.

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