Guangdong JSWAY CNC Machine Tool Co., Ltd. since 2004.
Seven Tips for Selecting the Right Wood for Your
While wood turning projects are of course made from wood, that is like saying bread is made of flour without knowing if it is wheat, rye or multigrain. Wood varies tremendously and what is good for one project may not be good for another. Her are seven things to look for when choosing wood for your project at the wood lathe.
First of all, most woodturners work exclusively with hardwoods but you should not eliminate softwoods from your repertoire. The beauty of a violin, cello or guitar top is usually spruce so there is a lot of beauty in softwoods. They are also strong enough to build houses from, using simple butt joints. In addition, most softwoods will challenge you to use very sharp tools and precise cuts to avoid splintering and torn grain, thus being excellent teaching aids.
Second, look the orientation of the grain. For strength the grain should run straight and strong. This can be of particular importance in structural items such as chair rails or in stress items such as spatulas and spirtles. While the problem may not be as great in faceplate turning as in spindle, the wood will move in the direction of the grain so in most faceplate turnings the grain should end in being parallel to the ground when the piece is sitting. Otherwise there will likely be a very lopsided bowl.
Third, woods come in various weights per cubic foot. One has only to think of balsa wood versus rosewood to be assured of this. Generally strength is proportional to the weight but grain will also affect this. A finished project should reflect a good weight to thickness ratio and wood can be chosen accordingly.
Fourth is the influence of functional or decorative perception of the piece. Functional pieces require wood that meets the function. Tight grained woods like maple are usually better selections for food items than open grains like oak. Decorative items on the other hand call generally for distinctive grain that make the piece stand out. On the other hand the important point of the turning may be the finished shape and a dramatic grain will detract from it. Some grain that looks good in large pieces is lost in small and grain will need to be selected for the size of the piece.
Fifth is the availability of the wood itself. Some woods will be prohibitively expensive in some area and others will be free for the asking. Many woods find themselves destined for the fireplace or the landfill and can be great assets for the woodturner. Still others are in danger of overuse and should be avoided for the sake of the environment.
A sixth consideration is the use of dry or green wood for the project. In general green wood cuts faster, cooler and cleaner than dry wood. For learning purposes it is almost ideal. On the other hand it distorts and splits as it drys. To get wood for faceplate turning in reasonable sizes, it is almost mandatory to use green wood and dry the turned piece either before of after finish turning, depending on desired result.
Seventh is of course to use whatever wood happens to be in the shop and will likely be reasonable for the project. Two sayings of woodturners are of help here. One is that life is too short to turn ugly wood and second is that the best wood to turn is free wood.
Whatever the criterion used to choose the wood, the fun is still in the turning.
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Methods to Reduce the Impact of Force-Induced Deformation
To minimize the impact of force-induced deformation on the stability of Swiss-type lathes and enhance machining accuracy and stability, the following measures can be taken:
JSWAY Company’s Professional Team Performance
As one of the exhibitors, JSWAY Company showcased the excellence of its professional team at this Jakarta Industrial Week. The team members of JSWAY Company, with their enthusiasm and professional knowledge, actively engaged in exchanges with customers from all over the world, providing them with detailed product introductions and technical support. They not only demonstrated JSWAY Company's advanced technology and high-quality products in the fields of CNC machines, milling and turning centers, and Swiss-type lathes, but also left a deep impression on customers with their enthusiastic service.
The booth of JSWAY Company attracted the attention of many professional visitors. Through professional explanations and demonstrations, the team members successfully conveyed to customers JSWAY Company's technological advantages and innovation capabilities in the field of CNC machines. Their positive performance not only enhanced JSWAY Company's brand image but also laid a solid foundation for the company's further expansion in the Southeast Asian market.
Compare manual mills and CNC machine advantages, costs, precision, and applications to choose the right technology for prototyping, job shops, or production.
Improving Precision and Service Life through Fixture Adjustment and Maintenance
Fixture Adjustment Methods:
Fixture Maintenance Methods:
By properly adjusting and regularly maintaining fixtures, the machining accuracy and service life of Swiss-type lathes can be effectively improved, ensuring efficient and stable production processes.
The stress in a machine tool bed can influence machining quality in several ways:
Machining Accuracy
Deformation and Displacement: Stress in the bed can cause structural deformation, which in turn affects the positional accuracy of various machine components. For example, insufficient rigidity at the tailstock support of the bed may lead to positional deviations of the tailstock center, with maximum displacement deformation reaching up to 0.13465 mm. Such deformation directly impacts the relative positioning between the tool and the workpiece, resulting in machining errors.
Differences in Machining Effects with Different Power Head Configurations
Single Spindle vs. Dual Spindle: Single-spindle Swiss-type lathes usually come with one side power head and are suitable for machining relatively simple parts. In contrast, dual-spindle lathes can be equipped with more power heads and can even perform simultaneous machining on the main and secondary spindles, significantly improving machining efficiency and complexity.
Side Tool Post vs. Horizontal Tool Post: Power heads with a side tool post structure perform better when machining difficult-to-chip materials, while those with a horizontal tool post structure are more efficient for machining easy-to-cut materials.
In summary, the power heads of Swiss-type lathes offer significant advantages in machining accuracy, efficiency, complexity, and adaptability. Different power head configurations can be selected based on specific machining requirements to achieve the best machining results.