A processing device comprising: a pair of first bearings that rotatably support a rotating shaft of a pattern roll; and a pair of second bearings that are disposed in a position facing the pair of first bearings, the pair of second bearings rotatably supporting a rotating shaft of an anvil roll, wherein the first bearings and/or the second bearings are provided with a temperature sensor and a heater, and the processing device is provided with a temperature controller that keeps the bearing provided with the temperature sensor and the heater at a set temperature for heating, and instructs the heater to heat the bearing on the basis of the temperature of the bearing measured by the temperature sensor.本發明之加工裝置具備:一對第1軸承,其等旋動自如地支持圖案輥之旋動軸;及一對第2軸承,其等配置於與上述一對第1軸承對向之位置並旋動自如地支持砧輥之旋動軸;且上述第1軸承及上述第2軸承之至少一者具備溫度感測器與加熱器,該加工裝置具備溫度控制器,其係將具備上述溫度感測器及上述加熱器之軸承維持在加熱設定溫度,基於上述溫度感測器所測定之軸承之溫度指示上述加熱器進行軸承之加熱。