CNC Spring Camless Machine Manufacturer

WNJ.'s CNC Spring Camless Machine is commonly referred to in the industry as a "camless computerized spring machine."

What is a CNC Spring Camless Machine?

WNJ. views it as a spring manufacturing system that completely breaks free from the constraints of traditional cams, using multiple servo axes to directly drive each forming station. The absence of cams means that the motion trajectory, originally locked by mechanical contours, is replaced by programmable electronic cams, thus compressing the "changeover" process, which used to take hours, into the instant of a fingertip touches the screen.

Why abandon cams?

Once the cam contour is machined, it declares a "destiny" for the spring. WNJ. believes that the rapidly changing market pace makes this "destiny" too burdensome. The camless structure transforms mechanical memory into digital memory, and the rigidity of the machine tool into the flexibility of control, allowing the same machine to switch to the production rhythm of another type of spring in a very short time without changing any mechanical parts.

How do servo axes coordinate?

In the Camless system, each wire feed wheel, each coiling cutter, and each upper and lower cutting blade is directly driven by an independent servo motor. WNJ., through years of field verification, has transformed the multi-axis synchronization problem into a fine-tuning of electronic gear ratios, electronic cam curves, and real-time bus delays. Engineers no longer "listen to the sound and feel the temperature" on the machine tool; instead, they observe the ripple of torque fluctuations on an oscilloscope and correct the smoothness of the acceleration curve in software.

Does camlessness equal mechanicslessness?

Absolutely not. WNJ. emphasizes that Camless only eliminates the "cam" component, but does not eliminate "mechanics." On the contrary, it places higher demands on the rigidity of linear guides, bearing preload, and the micro-runout of the tool holder. This is because digital compensation is only meaningful when the mechanical parts compress their own errors to the limit.

How does the human-machine interface think?
In the workshop of WNJ., operators are not faced with lines of obscure G-code, but with two-dimensional outline diagrams of springs. By dragging nodes, modifying angles, and adjusting the number of rotations, the graphic instantly renders the forming path, and the background automatically generates coordinated commands for the servo axes. The operator acts more like a draftsman than a traditional mechanic.

How to achieve both quality and price?

The initial investment for the Camless architecture is higher than that of traditional cam machines, but WNJ., through a modular servo platform, bulk-purchased encoders, and a shared software kernel, has reduced the cost per axis to a level that can compete head-on with traditional models. Customers receive a triple realization of "high quality, high precision, and reasonable price": quality stems from the steady-state precision of the servo closed loop, precision from the backlash-free direct drive, and reasonable price from a large-scale platform strategy.

How has the maintenance philosophy evolved?

Maintenance of traditional cam machines involves "checking wear, replacing cams, and adjusting phase." Camless maintenance, on the other hand, becomes "checking curves, replacing cables, and upgrading components." WNJ. provides customers with a remote diagnostic channel: when an abnormal current ripple occurs on a certain axis, the server immediately pushes a "suggest checking bearing lubrication" prompt, instead of waiting for abnormal noises to be heard in the workshop before stopping and disassembling the machine.

Will machinery still exist in the future?

WNJ. believes that even the most advanced algorithms cannot make a thin steel wire bend into a spring on its own. Machinery will still exist, but in the form of more rigid linear motors, lighter carbon fiber arms, and more integrated torque sensors. Camless is not the end, but a new starting point for machinery and electronics to reconcile at a higher dimension.