{"id":24042,"date":"2026-01-12T19:45:29","date_gmt":"2026-01-13T03:45:29","guid":{"rendered":"https:\/\/shengenfab.com\/?p=24042"},"modified":"2026-01-12T19:52:05","modified_gmt":"2026-01-13T03:52:05","slug":"single-point-vs-multi-point-pressing-in-small-servo-presses","status":"publish","type":"post","link":"https:\/\/shengenfab.com\/en_gb\/single-point-vs-multi-point-pressing-in-small-servo-presses\/","title":{"rendered":"Single-Point vs Multi-Point Pressing in Small Servo Presses"},"content":{"rendered":"
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In precision forming, even small changes in pressing methods can affect the final result. Many engineers struggle to choose between single-point and multi-point pressing for their servo presses. Each method has its own benefits and challenges, especially when accuracy, part size, and tooling costs are important.<\/p>

Single-point pressing uses one ram or actuator to apply force on the part. Multi-point pressing, on the other hand, uses several actuators to spread the force evenly. Single-point pressing is simple and reliable for small parts. Multi-point pressing works better for larger or more complex shapes because it keeps the surface flatter and reduces stress.<\/p>

Both methods can make precise parts, but they are strong in different ways. The best choice depends on your design needs, tolerance goals, and budget priorities.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Fundamentals of Servo Pressing Systems<\/h2>

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Servo presses change how engineers manage force and motion in precision manufacturing. Unlike hydraulic or pneumatic machines that keep constant pressure, servo presses turn electrical energy into mechanical force using a motor-driven system. This gives engineers full control of speed, movement, and force at every stage of the press cycle.<\/p>

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Overview of Servo Press Mechanisms<\/h3>

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A servo press uses a servo motor linked to a ball screw or crank to move the ram up and down. The motor\u2019s rotation turns into straight motion, pressing the tool against the part with programmable accuracy. Since the motor only works when movement happens, it avoids wasting energy when idle. Engineers can set motion profiles with different speeds \u2014 quick approach, slow forming, and controlled return \u2014 to match material and shape needs.<\/p>

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Engineering Insight:<\/strong> Modern small servo presses<\/a> can achieve \u00b10.01 mm position accuracy and \u00b11% force repeatability. These levels of precision make them ideal for tasks like connector insertion, micro-forming, and sensor housing assembly, where even small errors can cause failures.<\/p>

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Force and Displacement Control<\/h3>

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Servo presses use closed-loop control for steady results. Load cells measure the applied force, while encoders track ram position in real time. The control system adjusts torque instantly to match the set force\u2013displacement curve. Engineers can program limits \u2014 for example, stop at 3.2 mm displacement or maintain 2.5 kN of force \u2014 to ensure consistent forming or insertion.<\/p>

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Each press cycle creates a force\u2013displacement curve, which acts as a digital record of that operation. If the curve changes, it signals possible tool wear or material variation. This turns the servo press into both a forming tool and a built-in quality control system.<\/p>

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Role of Press Points in Load Application<\/h3>

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\u201cPress points\u201d describe how the machine applies force \u2014 either through one actuator or several working together.<\/p>

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