Saddle Surface Grinder

The saddle surface grinder is a special surface grinder machine that can process a series of flat surface types. In the metal processing, surface grinding is one of the most critical steps for the processing CNC machines. After forming, cutting and other complex processing, many work pieces will enter this step for further CNC finishing.

The surface grinder is used to create a smooth effect through grinding on a work piece surface. It is a widely used abrasive processing method conducted by machines. The grinding wheel of surface grinders is covered by rough particles, which can cut chips of metal or non-metal material from the work piece, thereby giving the work piece a flat and smooth surface.

Surface Grinding Capacity

Among all precision grinding machines, surface grinding machine is the most versatile type. There are two key factors affecting the precision surface grinding results which are material of the grinding wheel and material of the work piece.

Work piece materials can be aluminum, brass, steel, cast iron, and mild steel. Some of them are more stable and will not attach to the grinding wheel during precision processing. Others have different physical natures and may corrode during precision processing types, so they are not suitable for use in grinding or other processing series.

In addition, the grinding wheel is not limited to a specific shape type, but may have various shapes. The machine operator can dress the wheels for special uses and purposes.

It is worth noting that in the surface grinding machine process series, the shape of the grinding wheel will affect the reverse shape of the work piece types. Therefore, the grinder operator must be aware of the change in shape in order to immediately dress the grinding wheel to maintain the grinding machine accuracy. The accuracy of machines has to be taken care by operators.

Surface Finishing

A surface grinder is machines used to provide precision grinding surfaces. Its purpose may be to produce specific dimensions or to give a fine surface to the work piece. The accuracy of a surface grinder depends on the machines’ type and applications. However, a certain accuracy level should be achieved on most surface grinders.

Among various metal grinding methods, cylindrical grinding and roll grinding are different from surface grinding. The grinding head of the surface grinder is lowered to the position of the work piece, and then moves back and forth on the worktable under the grinding wheel. The work table usually has a controllable permanent magnet for holding and fixing magnetic work pieces. A vacuum chuck or other mechanisms can also be used to fix the work piece when the work piece is made of non-magnetic material.

In fact, the most common surface grinder has a grinding wheel rotating along a horizontal axis, which uses its outer periphery to cut.

Rotary surface grinders, commonly known as "Blanchard" style grinders. It has a grinding head that rotates the grinding wheel on an axis perpendicular to the end face of the grinding head, and the worktable rotates the work piece in the opposite direction underneath. This type of machine can remove a large amount of material and grind on a flat surface with obvious spiral grind marks. It can also be used to make and sharpen metal stamping die sets, flat shear blades, fixture bases or any flat surface. The surface grinder can be manually operated or equipped with an numerical control  (NC) system.

Manual & NC Grinding

Many saddle surface grinders are controlled manually, and some can be controlled by a NC system. In other words, most saddle surface grinders are not processed by programming.

Regarding CNC grinding, the operating system of the NC machine is equipped with a humanized operation panel to ensure accurate display of the grinding movement. The friendly man-machine interface not only ensures precise operation, but also provides great convenience for many machine users with different conditions.

In addition, with modern programming technology, today's grinding machine operators only need to call the corresponding cutting programs from the control system memory, and the machine will grind in the appropriate motions.

In Taiwan, there are many cutting-edge roll grinding machine suppliers that provide users all over the world with comprehensive roll grinding solutions. These Taiwanese grinding machine manufacturers are experienced professionals who know more about precision applications and techniques than their customers. For example, the CNC roll grinder machinery made by PROMA adopts FANUC CNC controllers and is applied to develop roll grinding progression.

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