大菱計器製作所 List of Products and Services

We would like to introduce our thick flat square, 'Stock No.54'. The accuracy is Grade 1 according to JIS standards, and due to its thickness, it provides stability when used upright. Additionally, all sizes are hardened products, and we can also manufacture special dimensions upon request. 【Features】 ■ Accuracy is Grade 1 according to JIS standards ■ Provides stability when used upright due to its thickness ■ All sizes are hardened products ■ Special dimensions can be manufactured upon request *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce the blade-shaped square (Type I) 'Stock No. 73' that we handle. It has thickness, allowing for stable right-angle measurements. Additionally, the outer angle of the long side is blade-shaped, and the cutting edge has an extremely small R shape, making it easy for light to pass through, which greatly enhances usability. 【Features】 ■ Stable right-angle measurements due to thickness ■ The outer angle of the long side is blade-shaped, and the cutting edge has an extremely small R shape ■ Easy to use as it allows light to pass through ■ Precision aspect is dedicated to the outer angle, and all sizes are hardened products *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our blade-shaped right angle ruler (Type III) 'Stock No. 74' that we handle. It is manufactured in accordance with the JIS B7526 standard, maintaining high precision as a top-quality square. Additionally, the inner and outer angles of the long side are blade-shaped, and the blade edge has an extremely small R shape, making it very easy to pass light through, thus enhancing usability. 【Features】 ■ Manufactured in accordance with the JIS B7526 standard ■ The inner and outer angles of the long side are blade-shaped, with an extremely small R shape on the blade edge ■ Very easy to use due to its ability to allow light to pass through ■ All sizes are hardened products *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

"Stock No. 66" is an L-shaped right angle ruler manufactured in accordance with the JIS B7526 standard. Due to its thickness, it can be used for stable measurements even when standing upright, and is suitable for measuring the right angles of jigs, right angles due to jig installation, and product right angles. Additionally, it maintains sufficient accuracy as a master for precision machinery and measuring instruments, and all sizes are hardened products. 【Features】 ■ Manufactured in accordance with the JIS B7526 standard ■ Thick design allows for stable measurements even when standing upright ■ Suitable for measuring right angles of jigs, right angles due to jig installation, and product right angles ■ Maintains sufficient accuracy as a master for precision machinery and measuring instruments ■ All sizes are hardened products ■ Custom dimensions and precision products can also be manufactured *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

"Stock No.69" is a base-mounted right angle ruler manufactured in accordance with the JIS B7526 standard. It can be used for measuring the right angle of jigs, right angles due to jig installation, and the right angles of products, etc. The short piece has thickness, allowing for stable measurements. Additionally, the long piece and short piece are robustly joined using a special method. Please feel free to contact us when you need assistance. 【Features】 ■ Manufactured in accordance with the JIS B7526 standard ■ Usable for measuring the right angle of jigs, right angles due to jig installation, and the right angles of products, etc. ■ The short piece has thickness, allowing for stable measurements ■ The long piece and short piece are robustly joined using a special method *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our flat right angle ruler, 'Stock No.65'. This product is manufactured in accordance with the JIS B7526 standard and is used for measuring right angles. It is also used for measuring the right angles of jigs, right angles due to jig installation, and the right angles of products. Please feel free to contact us if you have any inquiries. 【Features】 ■ Manufactured in accordance with the JIS B7526 standard ■ Used for measuring right angles ■ Used for measuring the right angles of jigs, right angles due to jig installation, and the right angles of products *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

"Stock No. 211" is a triangular straight edge with high precision finishing on the straightness of its three corner surfaces. The tip of the blade has an extremely small R shape, allowing it to contact the workpiece in a single line, enabling accurate measurement of straightness and flatness. Additionally, when inspected under light, it allows for even more precise measurements and is a hardened product. 【Features】 ■ High precision finishing on the straightness of the three corner surfaces ■ Extremely small R shape at the tip of the blade ■ Enables accurate measurement of straightness and flatness due to single line contact with the workpiece ■ Allows for even more precise measurements when inspected under light ■ Hardened product *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

"Stock No. 209" is a knife-shaped straight edge with a high-precision straight edge and a thin blade at the edge. The tip of the blade has an extremely small R shape, allowing it to make contact with the workpiece in a straight line, enabling accurate measurement of straightness and flatness. Additionally, when inspected under light, this product allows for even more precise measurements and is made of hardened material. 【Features】 ■ High-precision straight edge with a thin blade at the edge ■ The tip of the blade has an extremely small R shape ■ Allows for accurate measurement of straightness and flatness due to contact with the workpiece in a straight line ■ Enables even more precise measurements when inspected under light ■ Hardened material *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our standard straight edge 'Stock No. 214-2' that we handle. In terms of accuracy, it is available with one flat surface (the side below the label), with options for both hardened and non-hardened versions. Additionally, it is suitable for inspections of flatness, curvature, etc., and as a marking ruler. Please feel free to contact us when you need it. 【Features】 ■ Ideal for inspections of flatness, curvature, etc., and as a marking ruler ■ Accuracy is on one surface, on the blade side (the side below the label) ■ Available in both hardened and non-hardened versions *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our bevel-shaped straight edge 'Stock No. 214-1'. It is a suitable product for inspecting flatness, curvature, and as a marking ruler. Additionally, in terms of accuracy, we offer both hardened and non-hardened versions on one side, specifically on the cutting edge side (the side below the label). 【Features】 ■ Suitable for inspecting flatness, curvature, and as a marking ruler ■ Accuracy is on one side, specifically on the cutting edge side (the side below the label) ■ Available in both hardened and non-hardened versions *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our cast iron comb-shaped straight edge 'Stock No. 208'. The material is high-quality cast iron, and the precision aspect features a planed finish, making it suitable for inspecting the precision of machine tools and for fitting purposes. Please feel free to contact us if you would like to place an order. 【Features】 ■ Made of high-quality cast iron ■ Precision aspect features a planed finish ■ Suitable for inspecting the precision of machine tools and for fitting purposes *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our stone rectangular straight edge, 'Stock No. 900-3'. It is made from high-quality granite and is suitable for inspecting the running accuracy of precision machinery, as well as the straightness and flatness of various machined surfaces. Additionally, the precision dimensions exclude 20mm from both ends (the same as the nominal dimensions). 【Features】 ■ Made from high-quality granite ■ Suitable for inspecting the running accuracy of precision machinery and the straightness and flatness of various machined surfaces ■ Precision dimensions exclude 20mm from both ends *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

"Stock No.205" is a product designed to be used with a wider width, allowing for the placement of levels and similar tools. It is suitable for measuring parallelism and straightness as a reference straightedge. Please use it for checking the running accuracy of machines, assembling precision machinery, and installing turbines at power plants, as well as for inspection purposes. The straightness and parallelism (height variation according to JIS) meet the JIS standards for straightedges (JISB7514), and both hardened and non-hardened versions are available. 【Features】 ■ Designed with a wider width to accommodate levels and similar tools ■ Suitable for measuring parallelism and straightness as a reference straightedge ■ Usable for checking the running accuracy of machines, assembling precision machinery, and installing turbines at power plants, as well as for inspection purposes ■ Straightness and parallelism (height variation according to JIS) meet the JIS standards for straightedges (JISB7514) ■ Available in both hardened and non-hardened versions *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our rectangular straightedge 'Stock No. 212-2'. This high-precision product is manufactured in accordance with the JIS B7514 standard and is suitable for use when inspecting flatness, straightness, and parallelism. In terms of accuracy, the dimensions are the same as the nominal dimensions, excluding 20mm from both ends. Additionally, all sizes are hardened products. We can also produce special-grade items upon request. 【Nominal Sizes】 ■300 ■500 ■1000 ■1500 ■2000 ■3000 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce our I-shaped straight edge 'Stock No. 212-1'. This high-precision product is manufactured in accordance with the JIS B7514 standard and is suitable for use when inspecting flatness, straightness, and parallelism. In terms of accuracy, the dimensions are the same as the nominal dimensions, excluding 20mm from both ends. For products over 1500mm, convenient long holes for handles are provided for easy handling. 【Nominal Sizes】 ■300 ■500 ■1000 ■1500 ■2000 ■3000 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the I-beam type straight edge 'Stock No. 204' that we handle. It is used for inspecting processed surfaces, reference guides, etc. It features an I-shape design with minimal distortion. In terms of accuracy, the dimensions are the same as the nominal dimensions, excluding 20mm from both ends. For products over 1500mm, there are elongated holes for easy handling. 【Nominal Sizes (Partial)】 ■500 ■750 ■1000 ■1500 ■2000 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the roll caliper "Stock No. 810" that we handle. The four running rollers are equipped with bearings, precision ground, and move lightly and smoothly along the roll. The arm is engraved with special interval markings, allowing you to easily set the dial gauge to the center of the workpiece roll by aligning the bracket with the dimensions of the workpiece. 【Lineup (partial)】 ■DA101 ■DA102 ■DA103 ■DA104 ■DA105 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce our repeat meter 'Stock No. 216'. It measures the unevenness on a flat surface at three points with a distance of 100mm between the reference points. It allows for easy measurement of flatness and straightness of surfaces such as reference plates. Please set the zero using a master reference plate before measurement. Note that a dial gauge is not included. 【Lineup】 ■ Main Unit ・CB101 ■ Master Reference Plate ・CB102 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce our straightness tester, 'Stock No. 215'. It features three support legs installed on the underside of a stone reference straight edge. The precision is high, and it is manufactured to be lightweight. By moving the slider, straightness measurements can be easily taken. Additionally, by performing a "0" set on a master flat, the absolute value of the workpiece can be measured. 【Lineup】 ■ Main Unit ・CA101 ・CA102 ■ Master Flat ・CA201 ・CA202 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We handle "Lever-type Dial Gauge Arms (with fine adjustment)" at our company. The eccentricity tester comes standard with a stand that can accommodate a dial gauge with a mounting type for ear tags. By replacing the arm, you can attach a lever-type dial gauge. With the fine adjustment knob, setting the dial gauge is easy. *Stem mounting hole φ6mm (dial gauge not included). 【Lineup】 ■SS101 ■SS102 ■SS103 ■SS104 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We handle the "Kasa Center (tapered cut type)" at our company. In cases where the workpiece has a large outer diameter at the center hole or has a special center position, it may not be possible to attach or detach the workpiece with just the stroke of the center operation lever using a standard center. In such cases, please use the tapered cut type Kasa Center. Upon request, we can also manufacture carbide types and special sizes. 【Lineup (partial)】 ■Z800-225 ■Z800-226 ■Z800-227 ■Z800-228 ■Z800-229 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the "Carbide Tipped Center" that we handle. There are versions for MT-1 and MT-2, with the MT-1 version weighing 140g and the MT-2 version weighing 220g. Since the maximum distance between centers is shorter, caution is required when the workpiece length is near the catalog value. 【Lineup】 ■Z800-162 ■Z800-022 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the "Race Center" that we handle. The standard center for hardened products is set as standard on our eccentric inspection devices, except for ML type, VP type, and VPG type. The standard center with carbide is set as standard on the eccentric inspection devices of ML type, VP type, and VPG type. Upon request, we can also manufacture special dimensions, umbrella centers, carbide-equipped centers, and female centers. 【Lineup】 ■SAS106 ■SAS146 ■SAS176 ■SAK901 ■SAK902 ■SAK903 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the "Test Bar" that we handle. There are four sizes (D×L mm): 20×150, 20×200, 25×300, and 30×400. Please use it as a master for center runout. It comes with a hole for center mounting. Additionally, all cylindrical parts are hardened. Special sizes and precision products can also be manufactured upon request. 【Lineup】 ■ST101 ■ST102 ■ST103 ■ST104 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the "Height Adjustable V-Block Attachment (SAV Type)" that we handle. This attachment is used when measuring based on the outer diameter. One side of the V-block is height adjustable to accommodate workpieces with different outer diameters at the support section. The V-block is designed with a narrow width, allowing it to also accommodate workpieces with dual flange types. The compatible workpiece sizes range from φ8 to φ50mm, and the height adjustment range on the adjustable side is ±10mm from the reference value. 【Lineup】 ■SAV101 ■SAV102 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the "Roller Type V-Block Attachment (SAR Type)" that we handle. This attachment is used for measurement based on outer diameter, and it is compatible with workpiece sizes ranging from φ40 to φ100mm. Since it forms a V shape with rollers, it minimizes scratches on the workpiece's contact surface, allowing for easy rotation of heavy workpieces and enabling high-precision measurements. 【Lineup】 ■SAR101 ■SAR102 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the gear eccentricity measurement attachment (SHH type) that we handle, 'Stock No. 101'. This attachment is for measuring the circular pitch runout (eccentricity) of gears. Please use it attached to a standard inspection device. Seven measuring pins are included as standard (with modules from 1 to 4 at intervals of 0.5). Specially sized measuring pins can also be manufactured upon request. 【Product Lineup】 ■SHH100 ■SHH101 ■SHH102 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the gear runout measuring instrument (SR type) 'Stock No. 304' that we handle. This instrument is used for measuring the circular pitch runout of gears. The dial gauge holder moves up and down via a rack and pinion. Additionally, the measuring probe can be easily adjusted up and down using a lever, and it comes standard with 7 probes (0.5 increments for modules 1 to 4). 【Specifications (partial)】 ■ Model: SR-1 ■ Overall length (L mm): 640 ■ Center distance (mm): 300 ■ Maximum gear diameter (mm): 200 ■ Used center: Carbide MT-2 ■ Weight (kg): 72 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce our "Vertical Eccentric Inspection Machine (SVP Type)." This product features a rotating upper headstock that allows for easy setup and unsetup of large workpieces. We can design and manufacture it according to your requirements, so please feel free to contact us. 【Features】 ■ The upper headstock of the vertical eccentric inspection machine rotates ■ Easy setup and unsetup of large workpieces ■ Designed and manufactured according to your requirements *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the stone vertical eccentricity inspection device (VPG type) 'Stock No. 721' that we handle. The base plate is made of stone and has a flatness of JIS Grade 1. The stock moves up and down via gears and can be easily moved with light force due to the balance weight inside the column. We can also manufacture a head rotation type upon request. Please note that the test bar is not included. 【Lineup】 ■SVP201 ■SVP202 ■SVP203 ■SVP204 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the vertical eccentricity tester (VP type) 'Stock No. 720' that we handle. The flatness of the reference plate is JIS Class 1. Since the reference plate is of the bag type, it can maintain accuracy for a long period. The stock moves up and down via gears and can be moved with light force due to the balance weight inside the column. A head rotation type can also be manufactured upon request. 【Lineup】 ■SVP101 ■SVP102 ■SVP103 ■SVP104 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce our stone-made center-mounted surface plate 'Stock No. 339'. The surface plate is made of stone and has a flatness of JIS Grade 1. The stock movement section is equipped with T-slots and has a V-groove mechanism embedded with cast iron material. The V-groove is installed at the center of the surface plate's width. Additionally, the stock can be removed, allowing it to be used as an inspection surface plate. 【Lineup】 ■SG101 ■SG102 ■SG103 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce our cast iron center-mounted surface plate 'Stock No. 307'. The flatness of the surface plate is JIS Grade 1. The stock movement section features a T-slot with a V-groove mechanism. The V-groove is installed at the center of the surface plate's width. Additionally, the stock can be removed, allowing it to be used as an inspection surface plate. We can also manufacture products with the V-groove positioned towards the edge upon request. 【Lineup】 ■SE101 ■SE102 ■SE103 ■SE104 ■SE105 *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the Universal Bench Center (Model MV) 'Stock No. 401' that we handle. It is a compact and high-precision sign bar system capable of measuring taper shapes. The center is compatible with both male and female. The center is a straight center, and the center receiving part is V-groove type. Please feel free to contact us when you need assistance. 【Features】 ■ Universal type for eccentric measurement ■ Compact and high precision ■ Accuracy is ensured between the center axis and the bottom surface, side surface, and end face ■ Sign bar system capable of measuring taper shapes ■ Center is compatible with both male and female ■ Center is a straight center, and the center receiving part is V-groove type ■ The center can be removed, allowing measurement of workpieces without a center hole *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the vertical and horizontal dual-purpose eccentric inspection device (SP type) 'Stock No. 309' that we handle. It features a lightweight and rational design, with the stock moving via a rack gear. When used in the vertical position, it adjusts the right angle. Please feel free to contact us if you have any inquiries. 【Features】 ■ Lightweight and rational design ■ Stock moves via rack gear ■ Adjusts the right angle when used in the vertical position ■ Center entry and exit can be done with a one-touch lever *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the eccentricity tester (CV type) 'Stock No. 313' that we handle. The dial gauge stand can also accommodate a lever-type dial gauge. This tester comes with a V-block (V width 16mm) in stock. Please feel free to contact us when you need assistance. 【Features】 ■ Tester with a V-block (V width 16mm) included in stock ■ Capable of measuring both shafts with and without center holes ■ The dial gauge stand can also accommodate a lever-type dial gauge ■ Center entry and exit can be performed with a one-touch lever *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the rack-fed eccentric inspection device (ML type) that we handle, 'Stock No. 102'. The dial gauge stand can be moved back and forth using the handle. The parallelism between the table top and the center is ensured. Please feel free to contact us when you need assistance. 【Features】 ■ The dial gauge stand can be moved left and right with a handle equipped with a rack. ■ The dial gauge stand can be moved back and forth with a handle. ■ The parallelism between the table top and the center is ensured. ■ Access to the center can be done with a one-touch lever. * For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the eccentricity tester (Type P) 'Stock No. 312' that we handle. The parallelism between the table surface and the center is ensured, and the entry and exit of the center can be done with a single touch using a lever. Please feel free to contact us when you need assistance. 【Features】 ■ A smaller version of the standard inspection device ■ Used for measuring eccentricity and runout of shafts, etc. ■ The parallelism between the table surface and the center is ensured ■ The entry and exit of the center can be done with a single touch using a lever *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce the eccentricity tester (standard type) 'Stock No. 311' that we handle. The parallelism between the table surface and the center is ensured. Please use it for measuring the eccentricity and runout of shafts and other components. Additionally, we can manufacture it with a carbide center or umbrella center upon request. 【Features】 ■ Used for measuring the eccentricity and runout of shafts and other components ■ Parallelism between the table surface and the center is ensured ■ The entry and exit of the center can be done with a one-touch lever *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce an example of special processed stone products, "Straight Edge." The size is 1200×110×60mm, with straightness and parallelism of 3μm. In addition to standard products, we also accept special dimensions, T-slots, screw holes, stepped processing, groove processing, and various other types of machining. Please feel free to contact us for inquiries. 【Overview】 ■1200×110×60mm ■Straightness and parallelism: 3μm *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce an example of a special processed stone product, the "Air Slide Table." The size is 300mm with a straightness of 0.5μm. In addition to standard products, our company also accepts orders for special dimensions, T-slots, threading, hole processing, stepped processing, groove processing, and various other types of machining. Please feel free to contact us when you need assistance. 【Overview】 ■300mm ■Straightness: 0.5μm *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce an example of special processed stone products: "Granite Vacuum Chuck." The vacuum surface can be switched between three sizes, with dimensions of 1100×1100×200mm. In addition to standard products, we also accept orders for special dimensions, as well as various types of processing such as T-slots, threads, holes, stepped processing, and grooves. Please feel free to contact us if you have any inquiries. 【Overview】 ■ 1100×1100×200mm ■ Vacuum surface with three size options *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce our specially processed stone product, the "Granite Machine Base & Frame." The size is 2000×1500×1800mm. In addition to standard products, we also accept custom dimensions and various processing options such as T-slots, threading, hole processing, stepped processing, and groove processing. Please feel free to contact us if you have any inquiries. 【Overview】 ■2000×1500×1800mm *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce our "Large Precision Flat Plate" that we handle. This flat plate is used for precision motion experiments of manipulators (arms) during the assembly of space stations. The experiments are conducted using an air floating method on an independent foundation for vibration isolation within a clean room, and each joint of the flat plate is specially treated to prevent air leakage. Please feel free to contact us when you need assistance. 【Features】 ■ Precision motion experiment flat plate for manipulators (arms) used during space station assembly ■ Experiments are conducted using an air floating method on an independent foundation for vibration isolation within a clean room, and each joint of the flat plate is specially treated to prevent air leakage. *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices

We would like to introduce our "Grooved Surface Plate" that we handle. We manufacture various dimensions according to your requirements for assembly experiments and machining. The size and number of T-slots can also be customized based on your needs. Please feel free to contact us when placing an order. 【Features】 ■ Various dimensions are manufactured according to requirements for assembly experiments and machining ■ The size and number of T-slots can also be customized based on requirements *For more details, please download the PDF or feel free to contact us.

• Other inspection equipment and devices